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<String>();
    for(long i = 1; i * i <= N; i++) {
      if(N % i == 0) {
        String s = "";
        s += i;
        s += (N / i);
        set.add(s);
        String t = "";
        t += (N / i);
        t += i;
        set.add(t);
      }
    }
    System.out.println(set.size());
  }
}