28202690

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{8081}}^1$

素因数の和:8437

約数の個数: 16

約数和(自身を含む): 50916600

約数和(自身を除く): 22713910

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 8081, 16162, 40405, 80810, 2820269, 5640538, 14101345, 28202690]

約数ペア:

[(1, 28202690), (2, 14101345), (5, 5640538), (10, 2820269), (349, 80810), (698, 40405), (1745, 16162), (3490, 8081)]