328864

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 24

約数和(自身を含む): 665280

約数和(自身を除く): 336416

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 239, 344, 478, 688, 956, 1376, 1912, 3824, 7648, 10277, 20554, 41108, 82216, 164432, 328864]

約数ペア:

[(1, 328864), (2, 164432), (4, 82216), (8, 41108), (16, 20554), (32, 10277), (43, 7648), (86, 3824), (172, 1912), (239, 1376), (344, 956), (478, 688)]