81885568

素因数分解:

$2^7\times {\mathrm{639731}}^1$

素因数の和:639745

約数の個数: 16

約数和(自身を含む): 163131660

約数和(自身を除く): 81246092

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 639731, 1279462, 2558924, 5117848, 10235696, 20471392, 40942784, 81885568]

約数ペア:

[(1, 81885568), (2, 40942784), (4, 20471392), (8, 10235696), (16, 5117848), (32, 2558924), (64, 1279462), (128, 639731)]