1980192086

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{1571}}^1\times {\mathrm{3167}}^1$

素因数の和:4939

約数の個数: 16

約数和(自身を含む): 2988057600

約数和(自身を除く): 1007865514

約数列:

[1, 2, 199, 398, 1571, 3142, 3167, 6334, 312629, 625258, 630233, 1260466, 4975357, 9950714, 990096043, 1980192086]

約数ペア:

[(1, 1980192086), (2, 990096043), (199, 9950714), (398, 4975357), (1571, 1260466), (3142, 630233), (3167, 625258), (6334, 312629)]