28371568

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12757}}^1$

素因数の和:12904

約数の個数: 20

約数和(自身を含む): 55369720

約数和(自身を除く): 26998152

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12757, 25514, 51028, 102056, 204112, 1773223, 3546446, 7092892, 14185784, 28371568]

約数ペア:

[(1, 28371568), (2, 14185784), (4, 7092892), (8, 3546446), (16, 1773223), (139, 204112), (278, 102056), (556, 51028), (1112, 25514), (2224, 12757)]