4520815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 5892768

約数和(自身を除く): 1371953

約数列:

[1, 5, 13, 65, 157, 443, 785, 2041, 2215, 5759, 10205, 28795, 69551, 347755, 904163, 4520815]

約数ペア:

[(1, 4520815), (5, 904163), (13, 347755), (65, 69551), (157, 28795), (443, 10205), (785, 5759), (2041, 2215)]