72382009

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 84188160

約数和(自身を除く): 11806151

約数列:

[1, 7, 89, 223, 521, 623, 1561, 3647, 19847, 46369, 116183, 138929, 324583, 813281, 10340287, 72382009]

約数ペア:

[(1, 72382009), (7, 10340287), (89, 813281), (223, 324583), (521, 138929), (623, 116183), (1561, 46369), (3647, 19847)]