639472464

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{4621}}^1$

素因数の和:4697

約数の個数: 90

約数和(自身を含む): 1849627338

約数和(自身を除く): 1210154874

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 961, 1116, 1488, 1922, 2232, 2883, 3844, 4464, 4621, 5766, 7688, 8649, 9242, 11532, 13863, 15376, 17298, 18484, 23064, 27726, 34596, 36968, 41589, 46128, 55452, 69192, 73936, 83178, 110904, 138384, 143251, 166356, 221808, 286502, 332712, 429753, 573004, 665424, 859506, 1146008, 1289259, 1719012, 2292016, 2578518, 3438024, 4440781, 5157036, 6876048, 8881562, 10314072, 13322343, 17763124, 20628144, 26644686, 35526248, 39967029, 53289372, 71052496, 79934058, 106578744, 159868116, 213157488, 319736232, 639472464]

約数ペア:

[(1, 639472464), (2, 319736232), (3, 213157488), (4, 159868116), (6, 106578744), (8, 79934058), (9, 71052496), (12, 53289372), (16, 39967029), (18, 35526248), (24, 26644686), (31, 20628144), (36, 17763124), (48, 13322343), (62, 10314072), (72, 8881562), (93, 6876048), (124, 5157036), (144, 4440781), (186, 3438024), (248, 2578518), (279, 2292016), (372, 1719012), (496, 1289259), (558, 1146008), (744, 859506), (961, 665424), (1116, 573004), (1488, 429753), (1922, 332712), (2232, 286502), (2883, 221808), (3844, 166356), (4464, 143251), (4621, 138384), (5766, 110904), (7688, 83178), (8649, 73936), (9242, 69192), (11532, 55452), (13863, 46128), (15376, 41589), (17298, 36968), (18484, 34596), (23064, 27726)]