28905931008

素因数分解:

$2^8\times 3^2\times {\mathrm{647}}^1\times {\mathrm{19391}}^1$

素因数の和:20060

約数の個数: 108

約数和(自身を含む): 83476044288

約数和(自身を除く): 54570113280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 647, 768, 1152, 1294, 1941, 2304, 2588, 3882, 5176, 5823, 7764, 10352, 11646, 15528, 19391, 20704, 23292, 31056, 38782, 41408, 46584, 58173, 62112, 77564, 82816, 93168, 116346, 124224, 155128, 165632, 174519, 186336, 232692, 248448, 310256, 349038, 372672, 465384, 496896, 620512, 698076, 745344, 930768, 1241024, 1396152, 1490688, 1861536, 2482048, 2792304, 3723072, 4964096, 5584608, 7446144, 11169216, 12545977, 14892288, 22338432, 25091954, 37637931, 44676864, 50183908, 75275862, 100367816, 112913793, 150551724, 200735632, 225827586, 301103448, 401471264, 451655172, 602206896, 802942528, 903310344, 1204413792, 1605885056, 1806620688, 2408827584, 3211770112, 3613241376, 4817655168, 7226482752, 9635310336, 14452965504, 28905931008]

約数ペア:

[(1, 28905931008), (2, 14452965504), (3, 9635310336), (4, 7226482752), (6, 4817655168), (8, 3613241376), (9, 3211770112), (12, 2408827584), (16, 1806620688), (18, 1605885056), (24, 1204413792), (32, 903310344), (36, 802942528), (48, 602206896), (64, 451655172), (72, 401471264), (96, 301103448), (128, 225827586), (144, 200735632), (192, 150551724), (256, 112913793), (288, 100367816), (384, 75275862), (576, 50183908), (647, 44676864), (768, 37637931), (1152, 25091954), (1294, 22338432), (1941, 14892288), (2304, 12545977), (2588, 11169216), (3882, 7446144), (5176, 5584608), (5823, 4964096), (7764, 3723072), (10352, 2792304), (11646, 2482048), (15528, 1861536), (19391, 1490688), (20704, 1396152), (23292, 1241024), (31056, 930768), (38782, 745344), (41408, 698076), (46584, 620512), (58173, 496896), (62112, 465384), (77564, 372672), (82816, 349038), (93168, 310256), (116346, 248448), (124224, 232692), (155128, 186336), (165632, 174519)]