90485612

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{4889}}^1$

素因数の和:5561

約数の個数: 24

約数和(自身を含む): 181282080

約数和(自身を除く): 90796468

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 4889, 9254, 9778, 18508, 19556, 34223, 68446, 136892, 3231629, 6463258, 12926516, 22621403, 45242806, 90485612]

約数ペア:

[(1, 90485612), (2, 45242806), (4, 22621403), (7, 12926516), (14, 6463258), (28, 3231629), (661, 136892), (1322, 68446), (2644, 34223), (4627, 19556), (4889, 18508), (9254, 9778)]