28755307

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{1307}}^1$

素因数の和:1770

約数の個数: 12

約数和(自身を含む): 33550200

約数和(自身を除く): 4794893

約数列:

[1, 7, 49, 449, 1307, 3143, 9149, 22001, 64043, 586843, 4107901, 28755307]

約数ペア:

[(1, 28755307), (7, 4107901), (49, 586843), (449, 64043), (1307, 22001), (3143, 9149)]