12640659

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 17356032

約数和(自身を除く): 4715373

約数列:

[1, 3, 53, 107, 159, 321, 743, 2229, 5671, 17013, 39379, 79501, 118137, 238503, 4213553, 12640659]

約数ペア:

[(1, 12640659), (3, 4213553), (53, 238503), (107, 118137), (159, 79501), (321, 39379), (743, 17013), (2229, 5671)]