28209259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 31344768

約数和(自身を除く): 3135509

約数列:

[1, 13, 47, 137, 337, 611, 1781, 4381, 6439, 15839, 46169, 83707, 205907, 600197, 2169943, 28209259]

約数ペア:

[(1, 28209259), (13, 2169943), (47, 600197), (137, 205907), (337, 83707), (611, 46169), (1781, 15839), (4381, 6439)]