#include <bits/stdc++.h>

using namespace std;

typedef unsigned long long ull;
typedef long long ll;

int main(){
	ll n;
	cin >> n;
	ll sq=(ll)(sqrt(n));
	vector<string> v;
	if(sq*sq==n) v.push_back(to_string(sq)+to_string(sq));
	for(ll i=1; i*i<n; i++){
		if(n%i==0){
			v.push_back(to_string(i)+to_string(n/i));
			v.push_back(to_string(n/i)+to_string(i));
		}
	}
	sort(v.begin(), v.end());
	v.erase(unique(v.begin(), v.end()), v.end());
	cout << v.size() << endl;
	return 0;
}