856394278

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{34457}}^1$

素因数の和:34536

約数の個数: 24

約数和(自身を含む): 1396375992

約数和(自身を除く): 539981714

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 1462, 12427, 24854, 34457, 68914, 585769, 1171538, 1481651, 2963302, 9958073, 19916146, 25188067, 50376134, 428197139, 856394278]

約数ペア:

[(1, 856394278), (2, 428197139), (17, 50376134), (34, 25188067), (43, 19916146), (86, 9958073), (289, 2963302), (578, 1481651), (731, 1171538), (1462, 585769), (12427, 68914), (24854, 34457)]