256420708

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{1597}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 453838392

約数和(自身を除く): 197417684

約数列:

[1, 2, 4, 137, 274, 293, 548, 586, 1172, 1597, 3194, 6388, 40141, 80282, 160564, 218789, 437578, 467921, 875156, 935842, 1871684, 64105177, 128210354, 256420708]

約数ペア:

[(1, 256420708), (2, 128210354), (4, 64105177), (137, 1871684), (274, 935842), (293, 875156), (548, 467921), (586, 437578), (1172, 218789), (1597, 160564), (3194, 80282), (6388, 40141)]