256366528

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 112

約数和(自身を含む): 607454208

約数和(自身を除く): 351087680

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 32, 34, 44, 62, 64, 68, 88, 124, 136, 176, 187, 248, 272, 341, 352, 374, 496, 527, 544, 682, 691, 704, 748, 992, 1054, 1088, 1364, 1382, 1496, 1984, 2108, 2728, 2764, 2992, 4216, 5456, 5528, 5797, 5984, 7601, 8432, 10912, 11056, 11594, 11747, 11968, 15202, 16864, 21421, 21824, 22112, 23188, 23494, 30404, 33728, 42842, 44224, 46376, 46988, 60808, 85684, 92752, 93976, 121616, 129217, 171368, 185504, 187952, 235631, 243232, 258434, 342736, 364157, 371008, 375904, 471262, 486464, 516868, 685472, 728314, 751808, 942524, 1033736, 1370944, 1456628, 1885048, 2067472, 2913256, 3770096, 4005727, 4134944, 5826512, 7540192, 8011454, 8269888, 11653024, 15080384, 16022908, 23306048, 32045816, 64091632, 128183264, 256366528]

約数ペア:

[(1, 256366528), (2, 128183264), (4, 64091632), (8, 32045816), (11, 23306048), (16, 16022908), (17, 15080384), (22, 11653024), (31, 8269888), (32, 8011454), (34, 7540192), (44, 5826512), (62, 4134944), (64, 4005727), (68, 3770096), (88, 2913256), (124, 2067472), (136, 1885048), (176, 1456628), (187, 1370944), (248, 1033736), (272, 942524), (341, 751808), (352, 728314), (374, 685472), (496, 516868), (527, 486464), (544, 471262), (682, 375904), (691, 371008), (704, 364157), (748, 342736), (992, 258434), (1054, 243232), (1088, 235631), (1364, 187952), (1382, 185504), (1496, 171368), (1984, 129217), (2108, 121616), (2728, 93976), (2764, 92752), (2992, 85684), (4216, 60808), (5456, 46988), (5528, 46376), (5797, 44224), (5984, 42842), (7601, 33728), (8432, 30404), (10912, 23494), (11056, 23188), (11594, 22112), (11747, 21824), (11968, 21421), (15202, 16864)]