#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  ll n;
  cin >> n;
  set<string> ans;
  for (ll i = 1; i * i <= n; i++) {
    if (n % i == 0) {
      ans.insert(to_string(i) + to_string(n / i));
      ans.insert(to_string(n / i) + to_string(i));
    }
  }
  cout << ans.size() << endl;
  return 0;
}