#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
if(n <= 0){
cout << -1 << endl;
return 0;
}
for(int i = 1; i * i <= n; i++){
if(n % i == 0){
cout << i << endl;
if(i != n / i)
cout << n / i << endl;
}
}
return 0;
}
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