28438316

素因数分解:

$2^2\times {\mathrm{53}}^2\times {\mathrm{2531}}^1$

素因数の和:2641

約数の個数: 18

約数和(自身を含む): 50743812

約数和(自身を除く): 22305496

約数列:

[1, 2, 4, 53, 106, 212, 2531, 2809, 5062, 5618, 10124, 11236, 134143, 268286, 536572, 7109579, 14219158, 28438316]

約数ペア:

[(1, 28438316), (2, 14219158), (4, 7109579), (53, 536572), (106, 268286), (212, 134143), (2531, 11236), (2809, 10124), (5062, 5618)]