80854214

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20123}}^1$

素因数の和:20180

約数の個数: 24

約数和(自身を含む): 144530568

約数和(自身を除く): 63676354

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 20123, 40246, 140861, 281722, 825043, 986027, 1650086, 1972054, 5775301, 11550602, 40427107, 80854214]

約数ペア:

[(1, 80854214), (2, 40427107), (7, 11550602), (14, 5775301), (41, 1972054), (49, 1650086), (82, 986027), (98, 825043), (287, 281722), (574, 140861), (2009, 40246), (4018, 20123)]