12281087

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7103}}^1$

素因数の和:7142

約数の個数: 16

約数和(自身を含む): 15912960

約数和(自身を除く): 3631873

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 7103, 49721, 92339, 134957, 646373, 944699, 1754441, 12281087]

約数ペア:

[(1, 12281087), (7, 1754441), (13, 944699), (19, 646373), (91, 134957), (133, 92339), (247, 49721), (1729, 7103)]