12640979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 14732928

約数和(自身を除く): 2091949

約数列:

[1, 13, 17, 47, 221, 611, 799, 1217, 10387, 15821, 20689, 57199, 268957, 743587, 972383, 12640979]

約数ペア:

[(1, 12640979), (13, 972383), (17, 743587), (47, 268957), (221, 57199), (611, 20689), (799, 15821), (1217, 10387)]