28538876

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{317}}^2$

素因数の和:709

約数の個数: 18

約数和(自身を含む): 50806728

約数和(自身を除く): 22267852

約数列:

[1, 2, 4, 71, 142, 284, 317, 634, 1268, 22507, 45014, 90028, 100489, 200978, 401956, 7134719, 14269438, 28538876]

約数ペア:

[(1, 28538876), (2, 14269438), (4, 7134719), (71, 401956), (142, 200978), (284, 100489), (317, 90028), (634, 45014), (1268, 22507)]