128562785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1\times {\mathrm{1571}}^1$

素因数の和:2848

約数の個数: 16

約数和(自身を含む): 166380480

約数和(自身を除く): 37817695

約数列:

[1, 5, 13, 65, 1259, 1571, 6295, 7855, 16367, 20423, 81835, 102115, 1977889, 9889445, 25712557, 128562785]

約数ペア:

[(1, 128562785), (5, 25712557), (13, 9889445), (65, 1977889), (1259, 102115), (1571, 81835), (6295, 20423), (7855, 16367)]