28668913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1013}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 35433216

約数和(自身を除く): 6764303

約数列:

[1, 7, 13, 91, 311, 1013, 2177, 4043, 7091, 13169, 28301, 92183, 315043, 2205301, 4095559, 28668913]

約数ペア:

[(1, 28668913), (7, 4095559), (13, 2205301), (91, 315043), (311, 92183), (1013, 28301), (2177, 13169), (4043, 7091)]