2520191521

素因数分解:

${\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{666541}}^1$

素因数の和:666759

約数の個数: 8

約数和(自身を含む): 2666168000

約数和(自身を除く): 145976479

約数列:

[1, 19, 199, 3781, 666541, 12664279, 132641659, 2520191521]

約数ペア:

[(1, 2520191521), (19, 132641659), (199, 12664279), (3781, 666541)]