2007985

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 2785536

約数和(自身を除く): 777551

約数列:

[1, 5, 7, 35, 103, 515, 557, 721, 2785, 3605, 3899, 19495, 57371, 286855, 401597, 2007985]

約数ペア:

[(1, 2007985), (5, 401597), (7, 286855), (35, 57371), (103, 19495), (515, 3899), (557, 3605), (721, 2785)]