201291485

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 245289600

約数和(自身を除く): 43998115

約数列:

[1, 5, 101, 199, 505, 995, 2003, 10015, 20099, 100495, 202303, 398597, 1011515, 1992985, 40258297, 201291485]

約数ペア:

[(1, 201291485), (5, 40258297), (101, 1992985), (199, 1011515), (505, 398597), (995, 202303), (2003, 100495), (10015, 20099)]