128335792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{616999}}^1$

素因数の和:617020

約数の個数: 20

約数和(自身を含む): 267778000

約数和(自身を除く): 139442208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 616999, 1233998, 2467996, 4935992, 8020987, 9871984, 16041974, 32083948, 64167896, 128335792]

約数ペア:

[(1, 128335792), (2, 64167896), (4, 32083948), (8, 16041974), (13, 9871984), (16, 8020987), (26, 4935992), (52, 2467996), (104, 1233998), (208, 616999)]