126720128

素因数分解:

$2^7\times {\mathrm{990001}}^1$

素因数の和:990015

約数の個数: 16

約数和(自身を含む): 252450510

約数和(自身を除く): 125730382

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 990001, 1980002, 3960004, 7920008, 15840016, 31680032, 63360064, 126720128]

約数ペア:

[(1, 126720128), (2, 63360064), (4, 31680032), (8, 15840016), (16, 7920008), (32, 3960004), (64, 1980002), (128, 990001)]