2008502405

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{630613}}^1$

素因数の和:630645

約数の個数: 24

約数和(自身を含む): 3019379832

約数和(自身を除く): 1010877427

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 630613, 3153065, 4414291, 8197969, 22071455, 30900037, 40989845, 57385783, 154500185, 286928915, 401700481, 2008502405]

約数ペア:

[(1, 2008502405), (5, 401700481), (7, 286928915), (13, 154500185), (35, 57385783), (49, 40989845), (65, 30900037), (91, 22071455), (245, 8197969), (455, 4414291), (637, 3153065), (3185, 630613)]