31257252

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 90642552

約数和(自身を除く): 59385300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 41, 52, 54, 78, 81, 82, 108, 117, 123, 156, 162, 164, 181, 234, 246, 324, 351, 362, 369, 468, 492, 533, 543, 702, 724, 738, 1053, 1066, 1086, 1107, 1404, 1476, 1599, 1629, 2106, 2132, 2172, 2214, 2353, 3198, 3258, 3321, 4212, 4428, 4706, 4797, 4887, 6396, 6516, 6642, 7059, 7421, 9412, 9594, 9774, 13284, 14118, 14391, 14661, 14842, 19188, 19548, 21177, 22263, 28236, 28782, 29322, 29684, 42354, 43173, 44526, 57564, 58644, 63531, 66789, 84708, 86346, 89052, 96473, 127062, 133578, 172692, 190593, 192946, 200367, 254124, 267156, 289419, 381186, 385892, 400734, 578838, 601101, 762372, 801468, 868257, 1157676, 1202202, 1736514, 2404404, 2604771, 3473028, 5209542, 7814313, 10419084, 15628626, 31257252]

約数ペア:

[(1, 31257252), (2, 15628626), (3, 10419084), (4, 7814313), (6, 5209542), (9, 3473028), (12, 2604771), (13, 2404404), (18, 1736514), (26, 1202202), (27, 1157676), (36, 868257), (39, 801468), (41, 762372), (52, 601101), (54, 578838), (78, 400734), (81, 385892), (82, 381186), (108, 289419), (117, 267156), (123, 254124), (156, 200367), (162, 192946), (164, 190593), (181, 172692), (234, 133578), (246, 127062), (324, 96473), (351, 89052), (362, 86346), (369, 84708), (468, 66789), (492, 63531), (533, 58644), (543, 57564), (702, 44526), (724, 43173), (738, 42354), (1053, 29684), (1066, 29322), (1086, 28782), (1107, 28236), (1404, 22263), (1476, 21177), (1599, 19548), (1629, 19188), (2106, 14842), (2132, 14661), (2172, 14391), (2214, 14118), (2353, 13284), (3198, 9774), (3258, 9594), (3321, 9412), (4212, 7421), (4428, 7059), (4706, 6642), (4797, 6516), (4887, 6396)]