81280668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{967627}}^1$

素因数の和:967641

約数の個数: 24

約数和(自身を含む): 216748672

約数和(自身を除く): 135468004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 967627, 1935254, 2902881, 3870508, 5805762, 6773389, 11611524, 13546778, 20320167, 27093556, 40640334, 81280668]

約数ペア:

[(1, 81280668), (2, 40640334), (3, 27093556), (4, 20320167), (6, 13546778), (7, 11611524), (12, 6773389), (14, 5805762), (21, 3870508), (28, 2902881), (42, 1935254), (84, 967627)]