28304566

素因数分解:

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

素因数の和:436

約数の個数: 24

約数和(自身を含む): 45262800

約数和(自身を除く): 16958234

約数列:

[1, 2, 19, 38, 197, 199, 361, 394, 398, 722, 3743, 3781, 7486, 7562, 39203, 71117, 71839, 78406, 142234, 143678, 744857, 1489714, 14152283, 28304566]

約数ペア:

[(1, 28304566), (2, 14152283), (19, 1489714), (38, 744857), (197, 143678), (199, 142234), (361, 78406), (394, 71839), (398, 71117), (722, 39203), (3743, 7562), (3781, 7486)]