258235456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1899

約数の個数: 56

約数和(自身を含む): 536513024

約数和(自身を除く): 278277568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 146, 248, 292, 496, 584, 992, 1168, 1783, 1984, 2263, 2336, 3566, 4526, 4672, 7132, 9052, 14264, 18104, 28528, 36208, 55273, 57056, 72416, 110546, 114112, 130159, 144832, 221092, 260318, 442184, 520636, 884368, 1041272, 1768736, 2082544, 3537472, 4034929, 4165088, 8069858, 8330176, 16139716, 32279432, 64558864, 129117728, 258235456]

約数ペア:

[(1, 258235456), (2, 129117728), (4, 64558864), (8, 32279432), (16, 16139716), (31, 8330176), (32, 8069858), (62, 4165088), (64, 4034929), (73, 3537472), (124, 2082544), (146, 1768736), (248, 1041272), (292, 884368), (496, 520636), (584, 442184), (992, 260318), (1168, 221092), (1783, 144832), (1984, 130159), (2263, 114112), (2336, 110546), (3566, 72416), (4526, 57056), (4672, 55273), (7132, 36208), (9052, 28528), (14264, 18104)]