28172936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 57844800

約数和(自身を除く): 29671864

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 823, 1556, 1646, 3112, 3292, 4279, 6584, 8558, 9053, 17116, 18106, 34232, 36212, 72424, 320147, 640294, 1280588, 2561176, 3521617, 7043234, 14086468, 28172936]

約数ペア:

[(1, 28172936), (2, 14086468), (4, 7043234), (8, 3521617), (11, 2561176), (22, 1280588), (44, 640294), (88, 320147), (389, 72424), (778, 36212), (823, 34232), (1556, 18106), (1646, 17116), (3112, 9053), (3292, 8558), (4279, 6584)]