85168208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{123791}}^1$

素因数の和:123842

約数の個数: 20

約数和(自身を含む): 168852288

約数和(自身を除く): 83684080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 123791, 247582, 495164, 990328, 1980656, 5323013, 10646026, 21292052, 42584104, 85168208]

約数ペア:

[(1, 85168208), (2, 42584104), (4, 21292052), (8, 10646026), (16, 5323013), (43, 1980656), (86, 990328), (172, 495164), (344, 247582), (688, 123791)]