128872393

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2269}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 147586320

約数和(自身を除く): 18713927

約数列:

[1, 13, 17, 221, 257, 2269, 3341, 4369, 29497, 38573, 56797, 501449, 583133, 7580729, 9913261, 128872393]

約数ペア:

[(1, 128872393), (13, 9913261), (17, 7580729), (221, 583133), (257, 501449), (2269, 56797), (3341, 38573), (4369, 29497)]