use std::collections::HashSet;

fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    
    let mut results: HashSet<String> = HashSet::new();
    for i in 1..=((n as f64).sqrt().ceil() as usize) {
        if n % i == 0 {
            results.insert(format!("{}{}", i, n / i));
            results.insert(format!("{}{}", n / i, i));
        }
    }
    println!("{}", results.len());
}