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()); int ans = 0; for (long i = 1; i * i <= inpt; i++) { if(inpt%i==0) { string str1 = i.ToString(); string str2 = (inpt / i).ToString(); if((str1+str2).Equals(str2+str1)) { ans += 1; } else { ans += 2; } } } Console.WriteLine(ans); } 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(); } }