import java.util.Scanner

//
fun _Do() {
    
    val N = scan.nextLong()
    
    val set = mutableSetOf<String>()
    var a = 1
    while(a*a<=N){
        if(a*(N/a)==N) {
            set.add("$a${N/a}")
            set.add("${N/a}$a")
        }
        a+=1
    }
    
    println(set.size)
    
}

var scan = Scanner(System.`in`)
fun main( argv : Array<String> ) {
    _Do()
}