489161729

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{5179}}^1$

素因数の和:5420

約数の個数: 16

約数和(自身を含む): 568888320

約数和(自身を除く): 79726591

約数列:

[1, 7, 103, 131, 721, 917, 5179, 13493, 36253, 94451, 533437, 678449, 3734059, 4749143, 69880247, 489161729]

約数ペア:

[(1, 489161729), (7, 69880247), (103, 4749143), (131, 3734059), (721, 678449), (917, 533437), (5179, 94451), (13493, 36253)]