81517548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{970447}}^1$

素因数の和:970461

約数の個数: 24

約数和(自身を含む): 217380352

約数和(自身を除く): 135862804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 970447, 1940894, 2911341, 3881788, 5822682, 6793129, 11645364, 13586258, 20379387, 27172516, 40758774, 81517548]

約数ペア:

[(1, 81517548), (2, 40758774), (3, 27172516), (4, 20379387), (6, 13586258), (7, 11645364), (12, 6793129), (14, 5822682), (21, 3881788), (28, 2911341), (42, 1940894), (84, 970447)]