using System;
    using System.Collections.Generic;
    using System.Linq;
    class Program {
        static void Main(string[] args) {

            string read = Console.ReadLine();

            long n = long.Parse(read);

            List<string> x = new List<string>();
            for (long i = 1; i * i <= n; i++) {
                if (n % i == 0) {
                    long j = n / i;

                    x.Add(i.ToString() + j);
                    x.Add(j.ToString() + i);
                }
            }

            long rtn = x.Distinct().Count();

            Console.WriteLine(rtn);

        }
    }