81721692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 227944080

約数和(自身を除く): 146222388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 2132, 3198, 4259, 4797, 6396, 8518, 9594, 12777, 17036, 19188, 25554, 38331, 51108, 55367, 76662, 110734, 153324, 166101, 174619, 221468, 332202, 349238, 498303, 523857, 664404, 698476, 996606, 1047714, 1571571, 1993212, 2095428, 2270047, 3143142, 4540094, 6286284, 6810141, 9080188, 13620282, 20430423, 27240564, 40860846, 81721692]

約数ペア:

[(1, 81721692), (2, 40860846), (3, 27240564), (4, 20430423), (6, 13620282), (9, 9080188), (12, 6810141), (13, 6286284), (18, 4540094), (26, 3143142), (36, 2270047), (39, 2095428), (41, 1993212), (52, 1571571), (78, 1047714), (82, 996606), (117, 698476), (123, 664404), (156, 523857), (164, 498303), (234, 349238), (246, 332202), (369, 221468), (468, 174619), (492, 166101), (533, 153324), (738, 110734), (1066, 76662), (1476, 55367), (1599, 51108), (2132, 38331), (3198, 25554), (4259, 19188), (4797, 17036), (6396, 12777), (8518, 9594)]