91405616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{132857}}^1$

素因数の和:132908

約数の個数: 20

約数和(自身を含む): 181218312

約数和(自身を除く): 89812696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 132857, 265714, 531428, 1062856, 2125712, 5712851, 11425702, 22851404, 45702808, 91405616]

約数ペア:

[(1, 91405616), (2, 45702808), (4, 22851404), (8, 11425702), (16, 5712851), (43, 2125712), (86, 1062856), (172, 531428), (344, 265714), (688, 132857)]