28102139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 4284901

約数列:

[1, 13, 17, 101, 221, 1259, 1313, 1717, 16367, 21403, 22321, 127159, 278239, 1653067, 2161703, 28102139]

約数ペア:

[(1, 28102139), (13, 2161703), (17, 1653067), (101, 278239), (221, 127159), (1259, 22321), (1313, 21403), (1717, 16367)]