257468484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1885

約数の個数: 96

約数和(自身を含む): 745226496

約数和(自身を除く): 487758012

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 137, 156, 182, 273, 274, 364, 411, 546, 548, 822, 959, 1092, 1644, 1721, 1781, 1918, 2877, 3442, 3562, 3836, 5163, 5343, 5754, 6884, 7124, 10326, 10686, 11508, 12047, 12467, 20652, 21372, 22373, 24094, 24934, 36141, 37401, 44746, 48188, 49868, 67119, 72282, 74802, 89492, 134238, 144564, 149604, 156611, 235777, 268476, 313222, 469833, 471554, 626444, 707331, 939666, 943108, 1414662, 1650439, 1879332, 2829324, 3065101, 3300878, 4951317, 6130202, 6601756, 9195303, 9902634, 12260404, 18390606, 19805268, 21455707, 36781212, 42911414, 64367121, 85822828, 128734242, 257468484]

約数ペア:

[(1, 257468484), (2, 128734242), (3, 85822828), (4, 64367121), (6, 42911414), (7, 36781212), (12, 21455707), (13, 19805268), (14, 18390606), (21, 12260404), (26, 9902634), (28, 9195303), (39, 6601756), (42, 6130202), (52, 4951317), (78, 3300878), (84, 3065101), (91, 2829324), (137, 1879332), (156, 1650439), (182, 1414662), (273, 943108), (274, 939666), (364, 707331), (411, 626444), (546, 471554), (548, 469833), (822, 313222), (959, 268476), (1092, 235777), (1644, 156611), (1721, 149604), (1781, 144564), (1918, 134238), (2877, 89492), (3442, 74802), (3562, 72282), (3836, 67119), (5163, 49868), (5343, 48188), (5754, 44746), (6884, 37401), (7124, 36141), (10326, 24934), (10686, 24094), (11508, 22373), (12047, 21372), (12467, 20652)]