257030488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{224677}}^1$

素因数の和:224707

約数の個数: 32

約数和(自身を含む): 566188560

約数和(自身を除く): 309158072

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 224677, 449354, 898708, 1797416, 2471447, 2920801, 4942894, 5841602, 9885788, 11683204, 19771576, 23366408, 32128811, 64257622, 128515244, 257030488]

約数ペア:

[(1, 257030488), (2, 128515244), (4, 64257622), (8, 32128811), (11, 23366408), (13, 19771576), (22, 11683204), (26, 9885788), (44, 5841602), (52, 4942894), (88, 2920801), (104, 2471447), (143, 1797416), (286, 898708), (572, 449354), (1144, 224677)]