28427893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 32598720

約数和(自身を除く): 4170827

約数列:

[1, 13, 17, 221, 307, 419, 3991, 5219, 5447, 7123, 67847, 92599, 128633, 1672229, 2186761, 28427893]

約数ペア:

[(1, 28427893), (13, 2186761), (17, 1672229), (221, 128633), (307, 92599), (419, 67847), (3991, 7123), (5219, 5447)]