128551456

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2111}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 277820928

約数和(自身を除く): 149269472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 173, 176, 346, 352, 692, 1384, 1903, 2111, 2768, 3806, 4222, 5536, 7612, 8444, 15224, 16888, 23221, 30448, 33776, 46442, 60896, 67552, 92884, 185768, 365203, 371536, 730406, 743072, 1460812, 2921624, 4017233, 5843248, 8034466, 11686496, 16068932, 32137864, 64275728, 128551456]

約数ペア:

[(1, 128551456), (2, 64275728), (4, 32137864), (8, 16068932), (11, 11686496), (16, 8034466), (22, 5843248), (32, 4017233), (44, 2921624), (88, 1460812), (173, 743072), (176, 730406), (346, 371536), (352, 365203), (692, 185768), (1384, 92884), (1903, 67552), (2111, 60896), (2768, 46442), (3806, 33776), (4222, 30448), (5536, 23221), (7612, 16888), (8444, 15224)]