RosettaCodeData/Task/Perfect-numbers/PicoLisp/perfect-numbers-1.l
2023-07-01 13:44:08 -04:00

5 lines
108 B
Text

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