81709712

素因数分解:

$2^4\times 7^1\times {\mathrm{729551}}^1$

素因数の和:729566

約数の個数: 20

約数和(自身を含む): 180928896

約数和(自身を除く): 99219184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 729551, 1459102, 2918204, 5106857, 5836408, 10213714, 11672816, 20427428, 40854856, 81709712]

約数ペア:

[(1, 81709712), (2, 40854856), (4, 20427428), (7, 11672816), (8, 10213714), (14, 5836408), (16, 5106857), (28, 2918204), (56, 1459102), (112, 729551)]