81260856

素因数分解:

$2^3\times 3^2\times {\mathrm{1128623}}^1$

素因数の和:1128635

約数の個数: 24

約数和(自身を含む): 220081680

約数和(自身を除く): 138820824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128623, 2257246, 3385869, 4514492, 6771738, 9028984, 10157607, 13543476, 20315214, 27086952, 40630428, 81260856]

約数ペア:

[(1, 81260856), (2, 40630428), (3, 27086952), (4, 20315214), (6, 13543476), (8, 10157607), (9, 9028984), (12, 6771738), (18, 4514492), (24, 3385869), (36, 2257246), (72, 1128623)]