81211664

素因数分解:

$2^4\times {\mathrm{937}}^1\times {\mathrm{5417}}^1$

素因数の和:6362

約数の個数: 20

約数和(自身を含む): 157544604

約数和(自身を除く): 76332940

約数列:

[1, 2, 4, 8, 16, 937, 1874, 3748, 5417, 7496, 10834, 14992, 21668, 43336, 86672, 5075729, 10151458, 20302916, 40605832, 81211664]

約数ペア:

[(1, 81211664), (2, 40605832), (4, 20302916), (8, 10151458), (16, 5075729), (937, 86672), (1874, 43336), (3748, 21668), (5417, 14992), (7496, 10834)]