256936064

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 646272000

約数和(自身を除く): 389335936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 131, 154, 176, 199, 224, 262, 308, 352, 398, 448, 524, 616, 704, 796, 896, 917, 1048, 1232, 1393, 1408, 1441, 1592, 1834, 2096, 2189, 2464, 2786, 2882, 3184, 3668, 4192, 4378, 4928, 5572, 5764, 6368, 7336, 8384, 8756, 9856, 10087, 11144, 11528, 12736, 14672, 15323, 16768, 17512, 20174, 22288, 23056, 25472, 26069, 29344, 30646, 35024, 40348, 44576, 46112, 52138, 58688, 61292, 70048, 80696, 89152, 92224, 104276, 117376, 122584, 140096, 161392, 178304, 182483, 184448, 208552, 245168, 280192, 286759, 322784, 364966, 417104, 490336, 573518, 645568, 729932, 834208, 980672, 1147036, 1291136, 1459864, 1668416, 1961344, 2007313, 2294072, 2919728, 3336832, 4014626, 4588144, 5839456, 8029252, 9176288, 11678912, 16058504, 18352576, 23357824, 32117008, 36705152, 64234016, 128468032, 256936064]

約数ペア:

[(1, 256936064), (2, 128468032), (4, 64234016), (7, 36705152), (8, 32117008), (11, 23357824), (14, 18352576), (16, 16058504), (22, 11678912), (28, 9176288), (32, 8029252), (44, 5839456), (56, 4588144), (64, 4014626), (77, 3336832), (88, 2919728), (112, 2294072), (128, 2007313), (131, 1961344), (154, 1668416), (176, 1459864), (199, 1291136), (224, 1147036), (262, 980672), (308, 834208), (352, 729932), (398, 645568), (448, 573518), (524, 490336), (616, 417104), (704, 364966), (796, 322784), (896, 286759), (917, 280192), (1048, 245168), (1232, 208552), (1393, 184448), (1408, 182483), (1441, 178304), (1592, 161392), (1834, 140096), (2096, 122584), (2189, 117376), (2464, 104276), (2786, 92224), (2882, 89152), (3184, 80696), (3668, 70048), (4192, 61292), (4378, 58688), (4928, 52138), (5572, 46112), (5764, 44576), (6368, 40348), (7336, 35024), (8384, 30646), (8756, 29344), (9856, 26069), (10087, 25472), (11144, 23056), (11528, 22288), (12736, 20174), (14672, 17512), (15323, 16768)]