28354403

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19381}}^1$

素因数の和:19418

約数の個数: 16

約数和(自身を含む): 37213440

約数和(自身を除く): 8859037

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19381, 135667, 213191, 368239, 1492337, 2577673, 4050629, 28354403]

約数ペア:

[(1, 28354403), (7, 4050629), (11, 2577673), (19, 1492337), (77, 368239), (133, 213191), (209, 135667), (1463, 19381)]