/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <queue>
#include <iomanip>
#include <stack>
#include <cassert>
#include <iterator>
#include <bitset>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(),v.end()
using namespace std;
int n,f;
vector<int> a;
set<int> s;
void dfs(int p,int sum,int d)
{
//cout<<sum<<" : "<<d<<endl;
if(p==a.size())
{
s.insert(sum+d-1);
return;
}
dfs(p+1,sum+d-1,a[p]);
dfs(p+1,sum,d*a[p]);
}
int main()
{
cin>>n;
for(int i=2;i*i<=n;i++)
{
if(n%i)
continue;
while(n%i==0)
{
a.PB(i);
n/=i;
}
}
if(n>1)
a.PB(n);
f=1;
for(int i=1;i<=a.size();i++)
f*=i;
sort(all(a));
for(int i=0;i<=f/2;i++)
{
dfs(0,0,1);
next_permutation(all(a))
}
cout<<s.size()<<endl;
for(auto it=s.begin();it!=s.end();++it)
printf("%d ",(*it));
cout<<endl;
return 0;
}
/*
*/
Compilation message
toy.cpp: In function 'void dfs(int, int, int)':
toy.cpp:31:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(p==a.size())
~^~~~~~~~~~
toy.cpp: In function 'int main()':
toy.cpp:55:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1;i<=a.size();i++)
~^~~~~~~~~~
toy.cpp:62:5: error: expected ';' before '}' token
}
^
