12805765

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4212

約数の個数: 16

約数和(自身を含む): 17763840

約数和(自身を除く): 4958075

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 4111, 20555, 28777, 143885, 365879, 1829395, 2561153, 12805765]

約数ペア:

[(1, 12805765), (5, 2561153), (7, 1829395), (35, 365879), (89, 143885), (445, 28777), (623, 20555), (3115, 4111)]