64380491

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 74833920

約数和(自身を除く): 10453429

約数列:

[1, 7, 127, 139, 521, 889, 973, 3647, 17653, 66167, 72419, 123571, 463169, 506933, 9197213, 64380491]

約数ペア:

[(1, 64380491), (7, 9197213), (127, 506933), (139, 463169), (521, 123571), (889, 72419), (973, 66167), (3647, 17653)]