42638216

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{49811}}^1$

素因数の和:49924

約数の個数: 16

約数和(自身を含む): 80695440

約数和(自身を除く): 38057224

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 49811, 99622, 199244, 398488, 5329777, 10659554, 21319108, 42638216]

約数ペア:

[(1, 42638216), (2, 21319108), (4, 10659554), (8, 5329777), (107, 398488), (214, 199244), (428, 99622), (856, 49811)]