RosettaCodeData/Task/Perfect-numbers/Ruby/perfect-numbers-1.rb

def perf(n)
  sum = 0
  for i in 1...n
    sum += i  if n % i == 0
  end
  sum == n
end
tasks a-s 2013-04-10 23:57:08 -07:00			`def perf(n)`
March 2014 update 2014-04-02 16:56:35 +00:00			`sum = 0`
			`for i in 1...n`
			`sum += i if n % i == 0`
			`end`
			`sum == n`
tasks a-s 2013-04-10 23:57:08 -07:00			`end`