28722889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 32905600

約数和(自身を除く): 4182711

約数列:

[1, 13, 19, 103, 247, 1129, 1339, 1957, 14677, 21451, 25441, 116287, 278863, 1511731, 2209453, 28722889]

約数ペア:

[(1, 28722889), (13, 2209453), (19, 1511731), (103, 278863), (247, 116287), (1129, 25441), (1339, 21451), (1957, 14677)]