128784887

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{709}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 164146320

約数和(自身を除く): 35361433

約数列:

[1, 7, 11, 49, 77, 337, 539, 709, 2359, 3707, 4963, 7799, 16513, 25949, 34741, 54593, 181643, 238933, 382151, 1672531, 2628263, 11707717, 18397841, 128784887]

約数ペア:

[(1, 128784887), (7, 18397841), (11, 11707717), (49, 2628263), (77, 1672531), (337, 382151), (539, 238933), (709, 181643), (2359, 54593), (3707, 34741), (4963, 25949), (7799, 16513)]