391497218

素因数分解:

$2^1\times 7^1\times {\mathrm{1439}}^1\times {\mathrm{19433}}^1$

素因数の和:20881

約数の個数: 16

約数和(自身を含む): 671639040

約数和(自身を除く): 280141822

約数列:

[1, 2, 7, 14, 1439, 2878, 10073, 19433, 20146, 38866, 136031, 272062, 27964087, 55928174, 195748609, 391497218]

約数ペア:

[(1, 391497218), (2, 195748609), (7, 55928174), (14, 27964087), (1439, 272062), (2878, 136031), (10073, 38866), (19433, 20146)]