1278361441

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{1361}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 1541811240

約数和(自身を除く): 263449799

約数列:

[1, 7, 29, 49, 203, 661, 1361, 1421, 4627, 9527, 19169, 32389, 39469, 66689, 134183, 276283, 899621, 939281, 1933981, 6297347, 26089009, 44081429, 182623063, 1278361441]

約数ペア:

[(1, 1278361441), (7, 182623063), (29, 44081429), (49, 26089009), (203, 6297347), (661, 1933981), (1361, 939281), (1421, 899621), (4627, 276283), (9527, 134183), (19169, 66689), (32389, 39469)]