257399186

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{36677}}^1$

素因数の和:36730

約数の個数: 24

約数和(自身を含む): 439035660

約数和(自身を除く): 181636474

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 3509, 7018, 36677, 73354, 403447, 806894, 1063633, 2127266, 4437917, 8875834, 11699963, 23399926, 128699593, 257399186]

約数ペア:

[(1, 257399186), (2, 128699593), (11, 23399926), (22, 11699963), (29, 8875834), (58, 4437917), (121, 2127266), (242, 1063633), (319, 806894), (638, 403447), (3509, 73354), (7018, 36677)]