RosettaCodeData/Task/Perfect-numbers/PicoLisp/perfect-numbers-1.l
2015-11-18 06:14:39 +00:00

5 lines
108 B
Text

(de perfect (N)
(let C 0
(for I (/ N 2)
(and (=0 (% N I)) (inc 'C I)) )
(= C N) ) )