81959986

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{3541}}^1$

素因数の和:3777

約数の個数: 16

約数和(自身を含む): 125471808

約数和(自身を除く): 43511822

約数列:

[1, 2, 71, 142, 163, 326, 3541, 7082, 11573, 23146, 251411, 502822, 577183, 1154366, 40979993, 81959986]

約数ペア:

[(1, 81959986), (2, 40979993), (71, 1154366), (142, 577183), (163, 502822), (326, 251411), (3541, 23146), (7082, 11573)]