import strutils,sequtils
var
    N : int64
    i: int64
    s : seq[int64]
N = stdin.readline.parseBiggestInt
i = 1
s = @[]
while i * i <= N:
    if N mod i == 0:
        s.add(($i & $(N div i)).parseBiggestInt)
        s.add(($(N div i) & $i).parseBiggestInt)
    i += 1
s = s.deduplicate
echo s.len