277897984

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 695941120

約数和(自身を除く): 418043136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 79, 91, 104, 112, 128, 151, 158, 182, 208, 224, 256, 302, 316, 364, 416, 448, 553, 604, 632, 728, 832, 896, 1027, 1057, 1106, 1208, 1264, 1456, 1664, 1792, 1963, 2054, 2114, 2212, 2416, 2528, 2912, 3328, 3926, 4108, 4228, 4424, 4832, 5056, 5824, 7189, 7852, 8216, 8456, 8848, 9664, 10112, 11648, 11929, 13741, 14378, 15704, 16432, 16912, 17696, 19328, 20224, 23296, 23858, 27482, 28756, 31408, 32864, 33824, 35392, 38656, 47716, 54964, 57512, 62816, 65728, 67648, 70784, 83503, 95432, 109928, 115024, 125632, 131456, 135296, 141568, 155077, 167006, 190864, 219856, 230048, 251264, 262912, 270592, 310154, 334012, 381728, 439712, 460096, 502528, 620308, 668024, 763456, 879424, 920192, 1085539, 1240616, 1336048, 1526912, 1758848, 1840384, 2171078, 2481232, 2672096, 3053824, 3517696, 4342156, 4962464, 5344192, 8684312, 9924928, 10688384, 17368624, 19849856, 21376768, 34737248, 39699712, 69474496, 138948992, 277897984]

約数ペア:

[(1, 277897984), (2, 138948992), (4, 69474496), (7, 39699712), (8, 34737248), (13, 21376768), (14, 19849856), (16, 17368624), (26, 10688384), (28, 9924928), (32, 8684312), (52, 5344192), (56, 4962464), (64, 4342156), (79, 3517696), (91, 3053824), (104, 2672096), (112, 2481232), (128, 2171078), (151, 1840384), (158, 1758848), (182, 1526912), (208, 1336048), (224, 1240616), (256, 1085539), (302, 920192), (316, 879424), (364, 763456), (416, 668024), (448, 620308), (553, 502528), (604, 460096), (632, 439712), (728, 381728), (832, 334012), (896, 310154), (1027, 270592), (1057, 262912), (1106, 251264), (1208, 230048), (1264, 219856), (1456, 190864), (1664, 167006), (1792, 155077), (1963, 141568), (2054, 135296), (2114, 131456), (2212, 125632), (2416, 115024), (2528, 109928), (2912, 95432), (3328, 83503), (3926, 70784), (4108, 67648), (4228, 65728), (4424, 62816), (4832, 57512), (5056, 54964), (5824, 47716), (7189, 38656), (7852, 35392), (8216, 33824), (8456, 32864), (8848, 31408), (9664, 28756), (10112, 27482), (11648, 23858), (11929, 23296), (13741, 20224), (14378, 19328), (15704, 17696), (16432, 16912)]