1277897956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{211153}}^1$

素因数の和:211263

約数の個数: 24

約数和(自身を含む): 2394486360

約数和(自身を除く): 1116588404

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 211153, 422306, 844612, 3589601, 7179202, 14358404, 18792617, 37585234, 75170468, 319474489, 638948978, 1277897956]

約数ペア:

[(1, 1277897956), (2, 638948978), (4, 319474489), (17, 75170468), (34, 37585234), (68, 18792617), (89, 14358404), (178, 7179202), (356, 3589601), (1513, 844612), (3026, 422306), (6052, 211153)]