638401854

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{2007553}}^1$

素因数の和:2007611

約数の個数: 16

約数和(自身を含む): 1300894992

約数和(自身を除く): 662493138

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 2007553, 4015106, 6022659, 12045318, 106400309, 212800618, 319200927, 638401854]

約数ペア:

[(1, 638401854), (2, 319200927), (3, 212800618), (6, 106400309), (53, 12045318), (106, 6022659), (159, 4015106), (318, 2007553)]