81917572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{4861}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 156828672

約数和(自身を除く): 74911100

約数列:

[1, 2, 4, 11, 22, 44, 383, 766, 1532, 4213, 4861, 8426, 9722, 16852, 19444, 53471, 106942, 213884, 1861763, 3723526, 7447052, 20479393, 40958786, 81917572]

約数ペア:

[(1, 81917572), (2, 40958786), (4, 20479393), (11, 7447052), (22, 3723526), (44, 1861763), (383, 213884), (766, 106942), (1532, 53471), (4213, 19444), (4861, 16852), (8426, 9722)]