28268746

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 46922400

約数和(自身を除く): 18653654

約数列:

[1, 2, 11, 22, 121, 199, 242, 398, 587, 1174, 2189, 4378, 6457, 12914, 24079, 48158, 71027, 116813, 142054, 233626, 1284943, 2569886, 14134373, 28268746]

約数ペア:

[(1, 28268746), (2, 14134373), (11, 2569886), (22, 1284943), (121, 233626), (199, 142054), (242, 116813), (398, 71027), (587, 48158), (1174, 24079), (2189, 12914), (4378, 6457)]