409168

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 20

約数和(自身を含む): 803520

約数和(自身を除く): 394352

約数列:

[1, 2, 4, 8, 16, 107, 214, 239, 428, 478, 856, 956, 1712, 1912, 3824, 25573, 51146, 102292, 204584, 409168]

約数ペア:

[(1, 409168), (2, 204584), (4, 102292), (8, 51146), (16, 25573), (107, 3824), (214, 1912), (239, 1712), (428, 956), (478, 856)]