266819728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 636346176

約数和(自身を除く): 369526448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 67, 74, 112, 124, 134, 148, 217, 248, 259, 268, 296, 434, 469, 496, 518, 536, 592, 868, 938, 961, 1036, 1072, 1147, 1736, 1876, 1922, 2072, 2077, 2294, 2479, 3472, 3752, 3844, 4144, 4154, 4588, 4958, 6727, 7504, 7688, 8029, 8308, 9176, 9916, 13454, 14539, 15376, 16058, 16616, 17353, 18352, 19832, 26908, 29078, 32116, 33232, 34706, 35557, 39664, 53816, 58156, 64232, 64387, 69412, 71114, 76849, 107632, 116312, 128464, 128774, 138824, 142228, 153698, 232624, 248899, 257548, 277648, 284456, 307396, 450709, 497798, 515096, 537943, 568912, 614792, 901418, 995596, 1030192, 1075886, 1229584, 1802836, 1991192, 2151772, 2382319, 3605672, 3982384, 4303544, 4764638, 7211344, 8607088, 9529276, 16676233, 19058552, 33352466, 38117104, 66704932, 133409864, 266819728]

約数ペア:

[(1, 266819728), (2, 133409864), (4, 66704932), (7, 38117104), (8, 33352466), (14, 19058552), (16, 16676233), (28, 9529276), (31, 8607088), (37, 7211344), (56, 4764638), (62, 4303544), (67, 3982384), (74, 3605672), (112, 2382319), (124, 2151772), (134, 1991192), (148, 1802836), (217, 1229584), (248, 1075886), (259, 1030192), (268, 995596), (296, 901418), (434, 614792), (469, 568912), (496, 537943), (518, 515096), (536, 497798), (592, 450709), (868, 307396), (938, 284456), (961, 277648), (1036, 257548), (1072, 248899), (1147, 232624), (1736, 153698), (1876, 142228), (1922, 138824), (2072, 128774), (2077, 128464), (2294, 116312), (2479, 107632), (3472, 76849), (3752, 71114), (3844, 69412), (4144, 64387), (4154, 64232), (4588, 58156), (4958, 53816), (6727, 39664), (7504, 35557), (7688, 34706), (8029, 33232), (8308, 32116), (9176, 29078), (9916, 26908), (13454, 19832), (14539, 18352), (15376, 17353), (16058, 16616)]