#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    int ways = 0; 

    for (int i = 1; i * i <= n; i++) {
        if (n % i == 0) {
            ways++;

            
            if (i != n / i) {
                ways++;
            }
        }
    }

    printf("%d\n",ways);
    return 0;
}