28708069

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 4314011

約数列:

[1, 13, 19, 71, 247, 923, 1349, 1637, 17537, 21281, 31103, 116227, 404339, 1510951, 2208313, 28708069]

約数ペア:

[(1, 28708069), (13, 2208313), (19, 1510951), (71, 404339), (247, 116227), (923, 31103), (1349, 21281), (1637, 17537)]