12721507

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 14319360

約数和(自身を除く): 1597853

約数列:

[1, 19, 23, 43, 437, 677, 817, 989, 12863, 15571, 18791, 29111, 295849, 553109, 669553, 12721507]

約数ペア:

[(1, 12721507), (19, 669553), (23, 553109), (43, 295849), (437, 29111), (677, 18791), (817, 15571), (989, 12863)]