2979428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 5544000

約数和(自身を除く): 2564572

約数列:

[1, 2, 4, 19, 38, 76, 197, 199, 394, 398, 788, 796, 3743, 3781, 7486, 7562, 14972, 15124, 39203, 78406, 156812, 744857, 1489714, 2979428]

約数ペア:

[(1, 2979428), (2, 1489714), (4, 744857), (19, 156812), (38, 78406), (76, 39203), (197, 15124), (199, 14972), (394, 7562), (398, 7486), (788, 3781), (796, 3743)]