201991296008

素因数分解:

$2^3\times {\mathrm{25248912001}}^1$

素因数の和:25248912007

約数の個数: 8

約数和(自身を含む): 378733680030

約数和(自身を除く): 176742384022

約数列:

[1, 2, 4, 8, 25248912001, 50497824002, 100995648004, 201991296008]

約数ペア:

[(1, 201991296008), (2, 100995648004), (4, 50497824002), (8, 25248912001)]