28157831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 32445504

約数和(自身を除く): 4287673

約数列:

[1, 13, 17, 103, 221, 1237, 1339, 1751, 16081, 21029, 22763, 127411, 273377, 1656343, 2165987, 28157831]

約数ペア:

[(1, 28157831), (13, 2165987), (17, 1656343), (103, 273377), (221, 127411), (1237, 22763), (1339, 21029), (1751, 16081)]