6639436

素因数分解:

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

素因数の和:661

約数の個数: 24

約数和(自身を含む): 12320000

約数和(自身を除く): 5680564

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 439, 796, 878, 1756, 3781, 7562, 8341, 15124, 16682, 33364, 87361, 174722, 349444, 1659859, 3319718, 6639436]

約数ペア:

[(1, 6639436), (2, 3319718), (4, 1659859), (19, 349444), (38, 174722), (76, 87361), (199, 33364), (398, 16682), (439, 15124), (796, 8341), (878, 7562), (1756, 3781)]