28778834

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18859}}^1$

素因数の和:18977

約数の個数: 16

約数和(自身を含む): 49790400

約数和(自身を除く): 21011566

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 18859, 37718, 132013, 264026, 2055631, 4111262, 14389417, 28778834]

約数ペア:

[(1, 28778834), (2, 14389417), (7, 4111262), (14, 2055631), (109, 264026), (218, 132013), (763, 37718), (1526, 18859)]