128585864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 270699840

約数和(自身を除く): 142113976

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 113, 134, 193, 226, 268, 386, 452, 536, 737, 772, 904, 1243, 1474, 1544, 2123, 2486, 2948, 4246, 4972, 5896, 7571, 8492, 9944, 12931, 15142, 16984, 21809, 25862, 30284, 43618, 51724, 60568, 83281, 87236, 103448, 142241, 166562, 174472, 239899, 284482, 333124, 479798, 568964, 666248, 959596, 1137928, 1461203, 1919192, 2922406, 5844812, 11689624, 16073233, 32146466, 64292932, 128585864]

約数ペア:

[(1, 128585864), (2, 64292932), (4, 32146466), (8, 16073233), (11, 11689624), (22, 5844812), (44, 2922406), (67, 1919192), (88, 1461203), (113, 1137928), (134, 959596), (193, 666248), (226, 568964), (268, 479798), (386, 333124), (452, 284482), (536, 239899), (737, 174472), (772, 166562), (904, 142241), (1243, 103448), (1474, 87236), (1544, 83281), (2123, 60568), (2486, 51724), (2948, 43618), (4246, 30284), (4972, 25862), (5896, 21809), (7571, 16984), (8492, 15142), (9944, 12931)]