#include <iostream>
#include <set>
#include <vector>
#include <cmath>

using namespace std;

string str(int il, int ir){
	string ret = to_string(il);
	ret += to_string(ir);
	return ret;
}

int main () {
	
	long n;
	cin >> n;
	
	set<string> myset;
	for (long i = 1; i <= static_cast<long>(sqrt(n) + 1); ++i) {
		long il = i;
		long ir = n / i;
		if (il * ir != n) continue;
		myset.insert(str(il, ir));
		myset.insert(str(ir, il));
	}
	
	cout << myset.size() << endl;
}