256346812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{20071}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 467597312

約数和(自身を除く): 211250500

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 3193, 6386, 12772, 20071, 40142, 80284, 622201, 1244402, 2067313, 2488804, 4134626, 8269252, 64086703, 128173406, 256346812]

約数ペア:

[(1, 256346812), (2, 128173406), (4, 64086703), (31, 8269252), (62, 4134626), (103, 2488804), (124, 2067313), (206, 1244402), (412, 622201), (3193, 80284), (6386, 40142), (12772, 20071)]