1277172992

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2539

約数の個数: 72

約数和(自身を含む): 2675514240

約数和(自身を除く): 1398341248

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 128, 142, 232, 256, 284, 464, 568, 928, 1136, 1856, 2059, 2272, 2423, 3712, 4118, 4544, 4846, 7424, 8236, 9088, 9692, 16472, 18176, 19384, 32944, 38768, 65888, 70267, 77536, 131776, 140534, 155072, 172033, 263552, 281068, 310144, 344066, 527104, 562136, 620288, 688132, 1124272, 1376264, 2248544, 2752528, 4497088, 4988957, 5505056, 8994176, 9977914, 11010112, 17988352, 19955828, 22020224, 39911656, 44040448, 79823312, 159646624, 319293248, 638586496, 1277172992]

約数ペア:

[(1, 1277172992), (2, 638586496), (4, 319293248), (8, 159646624), (16, 79823312), (29, 44040448), (32, 39911656), (58, 22020224), (64, 19955828), (71, 17988352), (116, 11010112), (128, 9977914), (142, 8994176), (232, 5505056), (256, 4988957), (284, 4497088), (464, 2752528), (568, 2248544), (928, 1376264), (1136, 1124272), (1856, 688132), (2059, 620288), (2272, 562136), (2423, 527104), (3712, 344066), (4118, 310144), (4544, 281068), (4846, 263552), (7424, 172033), (8236, 155072), (9088, 140534), (9692, 131776), (16472, 77536), (18176, 70267), (19384, 65888), (32944, 38768)]