28880786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2029}}^1$

素因数の和:2689

約数の個数: 16

約数和(自身を含む): 47355840

約数和(自身を除く): 18475054

約数列:

[1, 2, 11, 22, 647, 1294, 2029, 4058, 7117, 14234, 22319, 44638, 1312763, 2625526, 14440393, 28880786]

約数ペア:

[(1, 28880786), (2, 14440393), (11, 2625526), (22, 1312763), (647, 44638), (1294, 22319), (2029, 14234), (4058, 7117)]