const N = +require('fs').readFileSync('/dev/stdin', 'utf8');
const arr = [];
let last = 1;
for (let i = 1; i <= N; i++) {
  if (N % i == 0) {
    if (last * i === N) break;
    arr.push(String(i) + String(N / i));
    if (i ** 2 === N) break;
    arr.push(String(N / i) + String(i));
    last = i
  }
}
console.log([...new Set(arr)].length);