28307390

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{8111}}^1$

素因数の和:8467

約数の個数: 16

約数和(自身を含む): 51105600

約数和(自身を除く): 22798210

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 8111, 16222, 40555, 81110, 2830739, 5661478, 14153695, 28307390]

約数ペア:

[(1, 28307390), (2, 14153695), (5, 5661478), (10, 2830739), (349, 81110), (698, 40555), (1745, 16222), (3490, 8111)]