657728

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 28

約数和(自身を含む): 1341120

約数和(自身を除く): 683392

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 239, 344, 478, 688, 956, 1376, 1912, 2752, 3824, 7648, 10277, 15296, 20554, 41108, 82216, 164432, 328864, 657728]

約数ペア:

[(1, 657728), (2, 328864), (4, 164432), (8, 82216), (16, 41108), (32, 20554), (43, 15296), (64, 10277), (86, 7648), (172, 3824), (239, 2752), (344, 1912), (478, 1376), (688, 956)]