258428456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1013}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 572382720

約数和(自身を除く): 313954264

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 223, 286, 446, 572, 892, 1013, 1144, 1784, 2026, 2453, 2899, 4052, 4906, 5798, 8104, 9812, 11143, 11596, 13169, 19624, 22286, 23192, 26338, 31889, 44572, 52676, 63778, 89144, 105352, 127556, 144859, 225899, 255112, 289718, 451798, 579436, 903596, 1158872, 1807192, 2484889, 2936687, 4969778, 5873374, 9939556, 11746748, 19879112, 23493496, 32303557, 64607114, 129214228, 258428456]

約数ペア:

[(1, 258428456), (2, 129214228), (4, 64607114), (8, 32303557), (11, 23493496), (13, 19879112), (22, 11746748), (26, 9939556), (44, 5873374), (52, 4969778), (88, 2936687), (104, 2484889), (143, 1807192), (223, 1158872), (286, 903596), (446, 579436), (572, 451798), (892, 289718), (1013, 255112), (1144, 225899), (1784, 144859), (2026, 127556), (2453, 105352), (2899, 89144), (4052, 63778), (4906, 52676), (5798, 44572), (8104, 31889), (9812, 26338), (11143, 23192), (11596, 22286), (13169, 19624)]