2938672009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{19727}}^1$

素因数の和:21384

約数の個数: 16

約数和(自身を含む): 3619219968

約数和(自身を除く): 680547959

約数列:

[1, 7, 13, 91, 1637, 11459, 19727, 21281, 138089, 148967, 256451, 1795157, 32293099, 226051693, 419810287, 2938672009]

約数ペア:

[(1, 2938672009), (7, 419810287), (13, 226051693), (91, 32293099), (1637, 1795157), (11459, 256451), (19727, 148967), (21281, 138089)]