28008994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1559}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 45339840

約数和(自身を除く): 17330846

約数列:

[1, 2, 13, 26, 691, 1382, 1559, 3118, 8983, 17966, 20267, 40534, 1077269, 2154538, 14004497, 28008994]

約数ペア:

[(1, 28008994), (2, 14004497), (13, 2154538), (26, 1077269), (691, 40534), (1382, 20267), (1559, 17966), (3118, 8983)]