81625352

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{237283}}^1$

素因数の和:237332

約数の個数: 16

約数和(自身を含む): 156607440

約数和(自身を除く): 74982088

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 237283, 474566, 949132, 1898264, 10203169, 20406338, 40812676, 81625352]

約数ペア:

[(1, 81625352), (2, 40812676), (4, 20406338), (8, 10203169), (43, 1898264), (86, 949132), (172, 474566), (344, 237283)]