128790728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{10529}}^1$

素因数の和:10685

約数の個数: 32

約数和(自身を含む): 265356000

約数和(自身を除く): 136565272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 10529, 12232, 21058, 42116, 84232, 115819, 231638, 463276, 926552, 1463531, 2927062, 5854124, 11708248, 16098841, 32197682, 64395364, 128790728]

約数ペア:

[(1, 128790728), (2, 64395364), (4, 32197682), (8, 16098841), (11, 11708248), (22, 5854124), (44, 2927062), (88, 1463531), (139, 926552), (278, 463276), (556, 231638), (1112, 115819), (1529, 84232), (3058, 42116), (6116, 21058), (10529, 12232)]