31271436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4051

約数の個数: 72

約数和(自身を含む): 93277184

約数和(自身を除く): 62005748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 4003, 7812, 8006, 12009, 16012, 24018, 28021, 36027, 48036, 56042, 72054, 84063, 112084, 124093, 144108, 168126, 248186, 252189, 336252, 372279, 496372, 504378, 744558, 868651, 1008756, 1116837, 1489116, 1737302, 2233674, 2605953, 3474604, 4467348, 5211906, 7817859, 10423812, 15635718, 31271436]

約数ペア:

[(1, 31271436), (2, 15635718), (3, 10423812), (4, 7817859), (6, 5211906), (7, 4467348), (9, 3474604), (12, 2605953), (14, 2233674), (18, 1737302), (21, 1489116), (28, 1116837), (31, 1008756), (36, 868651), (42, 744558), (62, 504378), (63, 496372), (84, 372279), (93, 336252), (124, 252189), (126, 248186), (186, 168126), (217, 144108), (252, 124093), (279, 112084), (372, 84063), (434, 72054), (558, 56042), (651, 48036), (868, 36027), (1116, 28021), (1302, 24018), (1953, 16012), (2604, 12009), (3906, 8006), (4003, 7812)]