28391224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208759}}^1$

素因数の和:208782

約数の個数: 16

約数和(自身を含む): 56365200

約数和(自身を除く): 27973976

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208759, 417518, 835036, 1670072, 3548903, 7097806, 14195612, 28391224]

約数ペア:

[(1, 28391224), (2, 14195612), (4, 7097806), (8, 3548903), (17, 1670072), (34, 835036), (68, 417518), (136, 208759)]