81947512

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{80657}}^1$

素因数の和:80790

約数の個数: 16

約数和(自身を含む): 154863360

約数和(自身を除く): 72915848

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 80657, 161314, 322628, 645256, 10243439, 20486878, 40973756, 81947512]

約数ペア:

[(1, 81947512), (2, 40973756), (4, 20486878), (8, 10243439), (127, 645256), (254, 322628), (508, 161314), (1016, 80657)]