25171328

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 61746720

約数和(自身を除く): 36575392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2161, 2912, 4322, 5824, 8644, 11648, 15127, 17288, 28093, 30254, 34576, 56186, 60508, 69152, 112372, 121016, 138304, 196651, 224744, 242032, 276608, 393302, 449488, 484064, 786604, 898976, 968128, 1573208, 1797952, 1936256, 3146416, 3595904, 6292832, 12585664, 25171328]

約数ペア:

[(1, 25171328), (2, 12585664), (4, 6292832), (7, 3595904), (8, 3146416), (13, 1936256), (14, 1797952), (16, 1573208), (26, 968128), (28, 898976), (32, 786604), (52, 484064), (56, 449488), (64, 393302), (91, 276608), (104, 242032), (112, 224744), (128, 196651), (182, 138304), (208, 121016), (224, 112372), (364, 69152), (416, 60508), (448, 56186), (728, 34576), (832, 30254), (896, 28093), (1456, 17288), (1664, 15127), (2161, 11648), (2912, 8644), (4322, 5824)]