256571302

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5431}}^1$

素因数の和:5548

約数の個数: 32

約数和(自身を含む): 438036480

約数和(自身を除く): 181465178

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 598, 1027, 1817, 2054, 3634, 5431, 10862, 23621, 47242, 70603, 124913, 141206, 249826, 429049, 858098, 1623869, 3247738, 5577637, 9868127, 11155274, 19736254, 128285651, 256571302]

約数ペア:

[(1, 256571302), (2, 128285651), (13, 19736254), (23, 11155274), (26, 9868127), (46, 5577637), (79, 3247738), (158, 1623869), (299, 858098), (598, 429049), (1027, 249826), (1817, 141206), (2054, 124913), (3634, 70603), (5431, 47242), (10862, 23621)]