2008697878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{581557}}^1$

素因数の和:581727

約数の個数: 16

約数和(自身を含む): 3307901904

約数和(自身を除く): 1299204026

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 581557, 1163114, 6397127, 12794254, 91304449, 182608898, 1004348939, 2008697878]

約数ペア:

[(1, 2008697878), (2, 1004348939), (11, 182608898), (22, 91304449), (157, 12794254), (314, 6397127), (1727, 1163114), (3454, 581557)]