641005064

素因数分解:

$2^3\times 7^2\times {\mathrm{1635217}}^1$

素因数の和:1635237

約数の個数: 24

約数和(自身を含む): 1398111390

約数和(自身を除く): 757106326

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 1635217, 3270434, 6540868, 11446519, 13081736, 22893038, 45786076, 80125633, 91572152, 160251266, 320502532, 641005064]

約数ペア:

[(1, 641005064), (2, 320502532), (4, 160251266), (7, 91572152), (8, 80125633), (14, 45786076), (28, 22893038), (49, 13081736), (56, 11446519), (98, 6540868), (196, 3270434), (392, 1635217)]