643988096

素因数分解:

$2^7\times {\mathrm{5031157}}^1$

素因数の和:5031171

約数の個数: 16

約数和(自身を含む): 1282945290

約数和(自身を除く): 638957194

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 5031157, 10062314, 20124628, 40249256, 80498512, 160997024, 321994048, 643988096]

約数ペア:

[(1, 643988096), (2, 321994048), (4, 160997024), (8, 80498512), (16, 40249256), (32, 20124628), (64, 10062314), (128, 5031157)]