642920710

素因数分解:

$2^1\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{63467}}^1$

素因数の和:64487

約数の個数: 16

約数和(自身を含む): 1158417936

約数和(自身を除く): 515497226

約数列:

[1, 2, 5, 10, 1013, 2026, 5065, 10130, 63467, 126934, 317335, 634670, 64292071, 128584142, 321460355, 642920710]

約数ペア:

[(1, 642920710), (2, 321460355), (5, 128584142), (10, 64292071), (1013, 634670), (2026, 317335), (5065, 126934), (10130, 63467)]