208820728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{607037}}^1$

素因数の和:607086

約数の個数: 16

約数和(自身を含む): 400645080

約数和(自身を除く): 191824352

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 607037, 1214074, 2428148, 4856296, 26102591, 52205182, 104410364, 208820728]

約数ペア:

[(1, 208820728), (2, 104410364), (4, 52205182), (8, 26102591), (43, 4856296), (86, 2428148), (172, 1214074), (344, 607037)]