55990508

素因数分解:

$2^2\times 7^1\times {\mathrm{1999661}}^1$

素因数の和:1999672

約数の個数: 12

約数和(自身を含む): 111981072

約数和(自身を除く): 55990564

約数列:

[1, 2, 4, 7, 14, 28, 1999661, 3999322, 7998644, 13997627, 27995254, 55990508]

約数ペア:

[(1, 55990508), (2, 27995254), (4, 13997627), (7, 7998644), (14, 3999322), (28, 1999661)]