28278565

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47527}}^1$

素因数の和:47556

約数の個数: 16

約数和(自身を含む): 41064192

約数和(自身を除く): 12785627

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 47527, 237635, 332689, 807959, 1663445, 4039795, 5655713, 28278565]

約数ペア:

[(1, 28278565), (5, 5655713), (7, 4039795), (17, 1663445), (35, 807959), (85, 332689), (119, 237635), (595, 47527)]