#include <cstdio>

#define rep( i, n, m ) for (int i = ( n ); i < ( m ); i++)
#define rep_d( i, n, m ) for (int i = ( n ); i < ( m ); i--)

int main( void ){
	int n;
	if(!scanf( "%d", &n ))
		return -1;
	if (n == 1){
		printf( "1\n" );
		return 0;
	}
	int sum = 1 + n;
	int max = n;
	int a;
	if (n % 2 == 0){
		sum += ( int )( n / 2 ) + 2;
	}
	for(int i = 3; i < max; i += 2){
		a = ( int )( n / i );
		if (n - i * a == 0){
			printf( "%d\n", max );
			sum += i + a;
			max = a;
			if (a == i)
				sum -= i;
		}
	}
	printf( "%d\n", sum );
	return 0;
}