128273168

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{35951}}^1$

素因数の和:36182

約数の個数: 20

約数和(自身を含む): 249650688

約数和(自身を除く): 121377520

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 35951, 71902, 143804, 287608, 575216, 8017073, 16034146, 32068292, 64136584, 128273168]

約数ペア:

[(1, 128273168), (2, 64136584), (4, 32068292), (8, 16034146), (16, 8017073), (223, 575216), (446, 287608), (892, 143804), (1784, 71902), (3568, 35951)]