n = gets.chomp.to_i

ss = []
(1..Math.sqrt(n).floor).each {|i|
    next if n % i != 0
    s = [i.to_s, (n / i).to_s]
    ss << s
    #p s
}

t = (ss.map{|s|s.join} + ss.map{|s|s[1] + s[0]}).uniq
#p t
p t.size