208591019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{38851}}^1$

素因数の和:38930

約数の個数: 16

約数和(自身を含む): 261085440

約数和(自身を除く): 52494421

約数列:

[1, 7, 13, 59, 91, 413, 767, 5369, 38851, 271957, 505063, 2292209, 3535441, 16045463, 29798717, 208591019]

約数ペア:

[(1, 208591019), (7, 29798717), (13, 16045463), (59, 3535441), (91, 2292209), (413, 505063), (767, 271957), (5369, 38851)]