28360709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 32563440

約数和(自身を除く): 4202731

約数列:

[1, 13, 17, 181, 221, 709, 2353, 3077, 9217, 12053, 40001, 128329, 156689, 1668277, 2181593, 28360709]

約数ペア:

[(1, 28360709), (13, 2181593), (17, 1668277), (181, 156689), (221, 128329), (709, 40001), (2353, 12053), (3077, 9217)]