13210715

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4241}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 18325440

約数和(自身を除く): 5114725

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 4241, 21205, 29687, 148435, 377449, 1887245, 2642143, 13210715]

約数ペア:

[(1, 13210715), (5, 2642143), (7, 1887245), (35, 377449), (89, 148435), (445, 29687), (623, 21205), (3115, 4241)]