81392556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{968959}}^1$

素因数の和:968973

約数の個数: 24

約数和(自身を含む): 217047040

約数和(自身を除く): 135654484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 968959, 1937918, 2906877, 3875836, 5813754, 6782713, 11627508, 13565426, 20348139, 27130852, 40696278, 81392556]

約数ペア:

[(1, 81392556), (2, 40696278), (3, 27130852), (4, 20348139), (6, 13565426), (7, 11627508), (12, 6782713), (14, 5813754), (21, 3875836), (28, 2906877), (42, 1937918), (84, 968959)]