28168052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3217}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 54062400

約数和(自身を除く): 25894348

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 3217, 4378, 6434, 8756, 12868, 35387, 70774, 141548, 640183, 1280366, 2560732, 7042013, 14084026, 28168052]

約数ペア:

[(1, 28168052), (2, 14084026), (4, 7042013), (11, 2560732), (22, 1280366), (44, 640183), (199, 141548), (398, 70774), (796, 35387), (2189, 12868), (3217, 8756), (4378, 6434)]