81218992

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47441}}^1$

素因数の和:47556

約数の個数: 20

約数和(自身を含む): 158835816

約数和(自身を除く): 77616824

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47441, 94882, 189764, 379528, 759056, 5076187, 10152374, 20304748, 40609496, 81218992]

約数ペア:

[(1, 81218992), (2, 40609496), (4, 20304748), (8, 10152374), (16, 5076187), (107, 759056), (214, 379528), (428, 189764), (856, 94882), (1712, 47441)]