820334

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 16

約数和(自身を含む): 1283040

約数和(自身を除く): 462706

約数列:

[1, 2, 53, 71, 106, 109, 142, 218, 3763, 5777, 7526, 7739, 11554, 15478, 410167, 820334]

約数ペア:

[(1, 820334), (2, 410167), (53, 15478), (71, 11554), (106, 7739), (109, 7526), (142, 5777), (218, 3763)]