133816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 257400

約数和(自身を除く): 123584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 389, 778, 1556, 3112, 16727, 33454, 66908, 133816]

約数ペア:

[(1, 133816), (2, 66908), (4, 33454), (8, 16727), (43, 3112), (86, 1556), (172, 778), (344, 389)]