28578410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{408263}}^1$

素因数の和:408277

約数の個数: 16

約数和(自身を含む): 58790016

約数和(自身を除く): 30211606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 408263, 816526, 2041315, 2857841, 4082630, 5715682, 14289205, 28578410]

約数ペア:

[(1, 28578410), (2, 14289205), (5, 5715682), (7, 4082630), (10, 2857841), (14, 2041315), (35, 816526), (70, 408263)]