8106215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 10535616

約数和(自身を除く): 2429401

約数列:

[1, 5, 13, 65, 311, 401, 1555, 2005, 4043, 5213, 20215, 26065, 124711, 623555, 1621243, 8106215]

約数ペア:

[(1, 8106215), (5, 1621243), (13, 623555), (65, 124711), (311, 26065), (401, 20215), (1555, 5213), (2005, 4043)]