13278872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 26400000

約数和(自身を除く): 13121128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 439, 796, 878, 1592, 1756, 3512, 3781, 7562, 8341, 15124, 16682, 30248, 33364, 66728, 87361, 174722, 349444, 698888, 1659859, 3319718, 6639436, 13278872]

約数ペア:

[(1, 13278872), (2, 6639436), (4, 3319718), (8, 1659859), (19, 698888), (38, 349444), (76, 174722), (152, 87361), (199, 66728), (398, 33364), (439, 30248), (796, 16682), (878, 15124), (1592, 8341), (1756, 7562), (3512, 3781)]