28279381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3192

約数の個数: 16

約数和(自身を含む): 33043248

約数和(自身を除く): 4763867

約数列:

[1, 13, 17, 41, 221, 533, 697, 3121, 9061, 40573, 53057, 127961, 689741, 1663493, 2175337, 28279381]

約数ペア:

[(1, 28279381), (13, 2175337), (17, 1663493), (41, 689741), (221, 127961), (533, 53057), (697, 40573), (3121, 9061)]