207900812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{390791}}^1$

素因数の和:390821

約数の個数: 24

約数和(自身を含む): 437687040

約数和(自身を除く): 229786228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 390791, 781582, 1563164, 2735537, 5471074, 7425029, 10942148, 14850058, 29700116, 51975203, 103950406, 207900812]

約数ペア:

[(1, 207900812), (2, 103950406), (4, 51975203), (7, 29700116), (14, 14850058), (19, 10942148), (28, 7425029), (38, 5471074), (76, 2735537), (133, 1563164), (266, 781582), (532, 390791)]