12928721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3128

約数の個数: 16

約数和(自身を含む): 15523200

約数和(自身を除く): 2594479

約数列:

[1, 13, 17, 19, 221, 247, 323, 3079, 4199, 40027, 52343, 58501, 680459, 760513, 994517, 12928721]

約数ペア:

[(1, 12928721), (13, 994517), (17, 760513), (19, 680459), (221, 58501), (247, 52343), (323, 40027), (3079, 4199)]