128604784

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2294

約数の個数: 80

約数和(自身を含む): 317408256

約数和(自身を除く): 188803472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 376, 517, 616, 658, 752, 1034, 1232, 1316, 2068, 2221, 2632, 3619, 4136, 4442, 5264, 7238, 8272, 8884, 14476, 15547, 17768, 24431, 28952, 31094, 35536, 48862, 57904, 62188, 97724, 104387, 124376, 171017, 195448, 208774, 248752, 342034, 390896, 417548, 684068, 730709, 835096, 1148257, 1368136, 1461418, 1670192, 2296514, 2736272, 2922836, 4593028, 5845672, 8037799, 9186056, 11691344, 16075598, 18372112, 32151196, 64302392, 128604784]

約数ペア:

[(1, 128604784), (2, 64302392), (4, 32151196), (7, 18372112), (8, 16075598), (11, 11691344), (14, 9186056), (16, 8037799), (22, 5845672), (28, 4593028), (44, 2922836), (47, 2736272), (56, 2296514), (77, 1670192), (88, 1461418), (94, 1368136), (112, 1148257), (154, 835096), (176, 730709), (188, 684068), (308, 417548), (329, 390896), (376, 342034), (517, 248752), (616, 208774), (658, 195448), (752, 171017), (1034, 124376), (1232, 104387), (1316, 97724), (2068, 62188), (2221, 57904), (2632, 48862), (3619, 35536), (4136, 31094), (4442, 28952), (5264, 24431), (7238, 17768), (8272, 15547), (8884, 14476)]