208055617

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 266021280

約数和(自身を除く): 57965663

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1529, 2777, 6811, 10703, 19439, 30547, 74921, 136073, 213829, 386003, 1496803, 2702021, 4246033, 18914147, 29722231, 208055617]

約数ペア:

[(1, 208055617), (7, 29722231), (11, 18914147), (49, 4246033), (77, 2702021), (139, 1496803), (539, 386003), (973, 213829), (1529, 136073), (2777, 74921), (6811, 30547), (10703, 19439)]