278399322448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1\times {\mathrm{23669}}^1$

素因数の和:24176

約数の個数: 80

約数和(自身を含む): 585918280080

約数和(自身を除く): 307518957632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 193, 208, 293, 386, 586, 772, 1172, 1544, 2344, 2509, 3088, 3809, 4688, 5018, 7618, 10036, 15236, 20072, 23669, 30472, 40144, 47338, 56549, 60944, 94676, 113098, 189352, 226196, 307697, 378704, 452392, 615394, 735137, 904784, 1230788, 1470274, 2461576, 2940548, 4568117, 4923152, 5881096, 6935017, 9136234, 11762192, 13870034, 18272468, 27740068, 36544936, 55480136, 59385521, 73089872, 90155221, 110960272, 118771042, 180310442, 237542084, 360620884, 475084168, 721241768, 950168336, 1338458281, 1442483536, 2676916562, 5353833124, 10707666248, 17399957653, 21415332496, 34799915306, 69599830612, 139199661224, 278399322448]

約数ペア:

[(1, 278399322448), (2, 139199661224), (4, 69599830612), (8, 34799915306), (13, 21415332496), (16, 17399957653), (26, 10707666248), (52, 5353833124), (104, 2676916562), (193, 1442483536), (208, 1338458281), (293, 950168336), (386, 721241768), (586, 475084168), (772, 360620884), (1172, 237542084), (1544, 180310442), (2344, 118771042), (2509, 110960272), (3088, 90155221), (3809, 73089872), (4688, 59385521), (5018, 55480136), (7618, 36544936), (10036, 27740068), (15236, 18272468), (20072, 13870034), (23669, 11762192), (30472, 9136234), (40144, 6935017), (47338, 5881096), (56549, 4923152), (60944, 4568117), (94676, 2940548), (113098, 2461576), (189352, 1470274), (226196, 1230788), (307697, 904784), (378704, 735137), (452392, 615394)]