12722647

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 16307840

約数和(自身を除く): 3585193

約数列:

[1, 7, 17, 19, 119, 133, 289, 323, 331, 2023, 2261, 2317, 5491, 5627, 6289, 38437, 39389, 44023, 95659, 106913, 669613, 748391, 1817521, 12722647]

約数ペア:

[(1, 12722647), (7, 1817521), (17, 748391), (19, 669613), (119, 106913), (133, 95659), (289, 44023), (323, 39389), (331, 38437), (2023, 6289), (2261, 5627), (2317, 5491)]