31121336

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{90469}}^1$

素因数の和:90518

約数の個数: 16

約数和(自身を含む): 59710200

約数和(自身を除く): 28588864

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 90469, 180938, 361876, 723752, 3890167, 7780334, 15560668, 31121336]

約数ペア:

[(1, 31121336), (2, 15560668), (4, 7780334), (8, 3890167), (43, 723752), (86, 361876), (172, 180938), (344, 90469)]