128216018

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{315803}}^1$

素因数の和:315841

約数の個数: 16

約数和(自身を含む): 227378880

約数和(自身を除く): 99162862

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 315803, 631606, 2210621, 4421242, 9158287, 18316574, 64108009, 128216018]

約数ペア:

[(1, 128216018), (2, 64108009), (7, 18316574), (14, 9158287), (29, 4421242), (58, 2210621), (203, 631606), (406, 315803)]