81662804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3343}}^1$

素因数の和:3575

約数の個数: 24

約数和(自身を含む): 148313088

約数和(自身を除く): 66650284

約数列:

[1, 2, 4, 31, 62, 124, 197, 394, 788, 3343, 6107, 6686, 12214, 13372, 24428, 103633, 207266, 414532, 658571, 1317142, 2634284, 20415701, 40831402, 81662804]

約数ペア:

[(1, 81662804), (2, 40831402), (4, 20415701), (31, 2634284), (62, 1317142), (124, 658571), (197, 414532), (394, 207266), (788, 103633), (3343, 24428), (6107, 13372), (6686, 12214)]