28687376

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12899}}^1$

素因数の和:13046

約数の個数: 20

約数和(自身を含む): 55986000

約数和(自身を除く): 27298624

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12899, 25798, 51596, 103192, 206384, 1792961, 3585922, 7171844, 14343688, 28687376]

約数ペア:

[(1, 28687376), (2, 14343688), (4, 7171844), (8, 3585922), (16, 1792961), (139, 206384), (278, 103192), (556, 51596), (1112, 25798), (2224, 12899)]