28223503

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1021}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 35320320

約数和(自身を除く): 7096817

約数列:

[1, 7, 11, 77, 359, 1021, 2513, 3949, 7147, 11231, 27643, 78617, 366539, 2565773, 4031929, 28223503]

約数ペア:

[(1, 28223503), (7, 4031929), (11, 2565773), (77, 366539), (359, 78617), (1021, 27643), (2513, 11231), (3949, 7147)]