258781056

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21787

約数の個数: 64

約数和(自身を含む): 709593600

約数和(自身を除く): 450812544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1984, 2976, 3968, 5952, 11904, 21739, 43478, 65217, 86956, 130434, 173912, 260868, 347824, 521736, 673909, 695648, 1043472, 1347818, 1391296, 2021727, 2086944, 2695636, 2782592, 4043454, 4173888, 5391272, 8086908, 8347776, 10782544, 16173816, 21565088, 32347632, 43130176, 64695264, 86260352, 129390528, 258781056]

約数ペア:

[(1, 258781056), (2, 129390528), (3, 86260352), (4, 64695264), (6, 43130176), (8, 32347632), (12, 21565088), (16, 16173816), (24, 10782544), (31, 8347776), (32, 8086908), (48, 5391272), (62, 4173888), (64, 4043454), (93, 2782592), (96, 2695636), (124, 2086944), (128, 2021727), (186, 1391296), (192, 1347818), (248, 1043472), (372, 695648), (384, 673909), (496, 521736), (744, 347824), (992, 260868), (1488, 173912), (1984, 130434), (2976, 86956), (3968, 65217), (5952, 43478), (11904, 21739)]