2009142205

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557321}}^1$

素因数の和:557436

約数の個数: 16

約数和(自身を含む): 2782151424

約数和(自身を除く): 773009219

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 557321, 2786605, 3901247, 19506235, 57404063, 287020315, 401828441, 2009142205]

約数ペア:

[(1, 2009142205), (5, 401828441), (7, 287020315), (35, 57404063), (103, 19506235), (515, 3901247), (721, 2786605), (3605, 557321)]