using System;
using System.Collections.Generic;

namespace _537
{
    class Program
    {
        static void Main(string[] args)
        {
            long n = long.Parse(Console.ReadLine());
            HashSet<string> ret = new HashSet<string>();
            for (long i = 1; i <= Math.Sqrt(n) + 1; i++)
            {
                if (n % i == 0)
                {
                    ret.Add(i.ToString() + (n / i).ToString());
                    ret.Add((n / i).ToString() + i.ToString());
                }
            }
            Console.WriteLine(ret.Count);
        }
    }
}