1642289999

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{129121}}^1$

素因数の和:129230

約数の個数: 16

約数和(自身を含む): 1983313920

約数和(自身を除く): 341023921

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 129121, 903847, 2969783, 10200559, 20788481, 71403913, 234612857, 1642289999]

約数ペア:

[(1, 1642289999), (7, 234612857), (23, 71403913), (79, 20788481), (161, 10200559), (553, 2969783), (1817, 903847), (12719, 129121)]