81255816

素因数分解:

$2^3\times 3^2\times {\mathrm{1128553}}^1$

素因数の和:1128565

約数の個数: 24

約数和(自身を含む): 220068030

約数和(自身を除く): 138812214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128553, 2257106, 3385659, 4514212, 6771318, 9028424, 10156977, 13542636, 20313954, 27085272, 40627908, 81255816]

約数ペア:

[(1, 81255816), (2, 40627908), (3, 27085272), (4, 20313954), (6, 13542636), (8, 10156977), (9, 9028424), (12, 6771318), (18, 4514212), (24, 3385659), (36, 2257106), (72, 1128553)]