164432

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 327360

約数和(自身を除く): 162928

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 239, 344, 478, 688, 956, 1912, 3824, 10277, 20554, 41108, 82216, 164432]

約数ペア:

[(1, 164432), (2, 82216), (4, 41108), (8, 20554), (16, 10277), (43, 3824), (86, 1912), (172, 956), (239, 688), (344, 478)]