290400782

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{193859}}^1$

素因数の和:193975

約数の個数: 16

約数和(自身を含む): 502485120

約数和(自身を除く): 212084338

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 193859, 387718, 1357013, 2714026, 20742913, 41485826, 145200391, 290400782]

約数ペア:

[(1, 290400782), (2, 145200391), (7, 41485826), (14, 20742913), (107, 2714026), (214, 1357013), (749, 387718), (1498, 193859)]