12278318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27779}}^1$

素因数の和:27811

約数の個数: 16

約数和(自身を含む): 21001680

約数和(自身を除く): 8723362

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 27779, 55558, 361127, 472243, 722254, 944486, 6139159, 12278318]

約数ペア:

[(1, 12278318), (2, 6139159), (13, 944486), (17, 722254), (26, 472243), (34, 361127), (221, 55558), (442, 27779)]