using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using System.Text;

public class Program
{

    public void Proc()
    {
        long inpt = long.Parse(Reader.ReadLine());
        Dictionary<string, bool> flag = new Dictionary<string, bool>();
        for (int i = 1; i * i <= inpt; i++) {
            if(inpt%i==0) {
                flag[i.ToString() + (inpt / i)] = true;
                flag[(inpt / i).ToString() + i] = true;
            }
        }
        Console.WriteLine(flag.Count());
    
    }

    public class Reader
	{
		private static StringReader sr;
		public static bool IsDebug = false;
		public static string ReadLine()
		{
			if (IsDebug)
			{
				if (sr == null)
				{
					sr = new StringReader(InputText.Trim());
				}
				return sr.ReadLine();
			}
			else
			{
				return Console.ReadLine();
			}
		}
		private static string InputText = @"




63




";
	}

	public static void Main(string[] args)
	{
#if DEBUG
		Reader.IsDebug = true;
#endif
		Program prg = new Program();
		prg.Proc();
	}
}