import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long n = sc.nextLong();
        HashSet<String> set = new HashSet<>();
        for (long i = 1; i <= Math.sqrt(n); i++) {
            if (n % i == 0) {
                set.add((n / i) + "" + i);
                set.add(i + "" + (n / i));
            }
        }
        System.out.println(set.size());
    }
}