#include <iostream>
#include <cstdio>
#include <unordered_set>

using namespace std;

typedef long long LL;

LL n;
unordered_set<string> s;

int main() {
    // freopen("userid.in", "r", stdin);
    // freopen("userid.out", "w", stdout);

    scanf("%lld", &n);

    for (int i = 1; i <= n / i; ++i) {
        if (n % i == 0) {
            s.insert(to_string(i) + to_string(n / i));
            s.insert(to_string(n / i) + to_string(i));
        }
    }

    printf("%lld\n", s.size());

    return 0;
}