#include  <iostream>

using namespace std;
int div_num( int n )
{
  int count = 0, i=2;
    for (i=1;i<=n;i++)
    if (n%i==0) { cout << i << " "; count ++; }
    cout << endl << count;
return 0;
}

int main()
{
  int n; cin >> n;
  div_num(n);
  return 0;
}