28690627

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{30817}}^1$

素因数の和:30850

約数の個数: 12

約数和(自身を含む): 35132520

約数和(自身を除く): 6441893

約数列:

[1, 7, 19, 49, 133, 931, 30817, 215719, 585523, 1510033, 4098661, 28690627]

約数ペア:

[(1, 28690627), (7, 4098661), (19, 1510033), (49, 585523), (133, 215719), (931, 30817)]