128846221

素因数分解:

$7^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 148979584

約数和(自身を除く): 20133363

約数列:

[1, 7, 193, 283, 337, 1351, 1981, 2359, 54619, 65041, 95371, 382333, 455287, 667597, 18406603, 128846221]

約数ペア:

[(1, 128846221), (7, 18406603), (193, 667597), (283, 455287), (337, 382333), (1351, 95371), (1981, 65041), (2359, 54619)]