199325296

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{289717}}^1$

素因数の和:289768

約数の個数: 20

約数和(自身を含む): 395175352

約数和(自身を除く): 195850056

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 289717, 579434, 1158868, 2317736, 4635472, 12457831, 24915662, 49831324, 99662648, 199325296]

約数ペア:

[(1, 199325296), (2, 99662648), (4, 49831324), (8, 24915662), (16, 12457831), (43, 4635472), (86, 2317736), (172, 1158868), (344, 579434), (688, 289717)]