642990410

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{266801}}^1$

素因数の和:267049

約数の個数: 16

約数和(自身を含む): 1162189512

約数和(自身を除く): 519199102

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 266801, 533602, 1334005, 2668010, 64299041, 128598082, 321495205, 642990410]

約数ペア:

[(1, 642990410), (2, 321495205), (5, 128598082), (10, 64299041), (241, 2668010), (482, 1334005), (1205, 533602), (2410, 266801)]