28725784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211219}}^1$

素因数の和:211242

約数の個数: 16

約数和(自身を含む): 57029400

約数和(自身を除く): 28303616

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211219, 422438, 844876, 1689752, 3590723, 7181446, 14362892, 28725784]

約数ペア:

[(1, 28725784), (2, 14362892), (4, 7181446), (8, 3590723), (17, 1689752), (34, 844876), (68, 422438), (136, 211219)]