420912208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{611791}}^1$

素因数の和:611842

約数の個数: 20

約数和(自身を含む): 834484288

約数和(自身を除く): 413572080

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 611791, 1223582, 2447164, 4894328, 9788656, 26307013, 52614026, 105228052, 210456104, 420912208]

約数ペア:

[(1, 420912208), (2, 210456104), (4, 105228052), (8, 52614026), (16, 26307013), (43, 9788656), (86, 4894328), (172, 2447164), (344, 1223582), (688, 611791)]