2019978289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3463}}^1\times {\mathrm{3623}}^1$

素因数の和:7116

約数の個数: 16

約数和(自身を含む): 2410278912

約数和(自身を除く): 390300623

約数列:

[1, 7, 23, 161, 3463, 3623, 24241, 25361, 79649, 83329, 557543, 583303, 12546449, 87825143, 288568327, 2019978289]

約数ペア:

[(1, 2019978289), (7, 288568327), (23, 87825143), (161, 12546449), (3463, 583303), (3623, 557543), (24241, 83329), (25361, 79649)]