163944208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{238291}}^1$

素因数の和:238342

約数の個数: 20

約数和(自身を含む): 325030288

約数和(自身を除く): 161086080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 238291, 476582, 953164, 1906328, 3812656, 10246513, 20493026, 40986052, 81972104, 163944208]

約数ペア:

[(1, 163944208), (2, 81972104), (4, 40986052), (8, 20493026), (16, 10246513), (43, 3812656), (86, 1906328), (172, 953164), (344, 476582), (688, 238291)]