28723415

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9221}}^1$

素因数の和:9322

約数の個数: 16

約数和(自身を含む): 39839040

約数和(自身を除く): 11115625

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 9221, 46105, 64547, 322735, 820669, 4103345, 5744683, 28723415]

約数ペア:

[(1, 28723415), (5, 5744683), (7, 4103345), (35, 820669), (89, 322735), (445, 64547), (623, 46105), (3115, 9221)]