128816728

素因数分解:

$2^3\times {\mathrm{769}}^1\times {\mathrm{20939}}^1$

素因数の和:21714

約数の個数: 16

約数和(自身を含む): 241857000

約数和(自身を除く): 113040272

約数列:

[1, 2, 4, 8, 769, 1538, 3076, 6152, 20939, 41878, 83756, 167512, 16102091, 32204182, 64408364, 128816728]

約数ペア:

[(1, 128816728), (2, 64408364), (4, 32204182), (8, 16102091), (769, 167512), (1538, 83756), (3076, 41878), (6152, 20939)]