865141816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 2080235520

約数和(自身を除く): 1215093704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 131, 142, 151, 154, 262, 284, 302, 308, 497, 524, 568, 604, 616, 781, 917, 994, 1048, 1057, 1208, 1441, 1562, 1661, 1834, 1988, 2114, 2882, 3124, 3322, 3668, 3976, 4228, 5467, 5764, 6248, 6644, 7336, 8456, 9301, 10087, 10721, 10934, 11528, 11627, 13288, 18602, 19781, 20174, 21442, 21868, 23254, 37204, 39562, 40348, 42884, 43736, 46508, 65107, 74408, 75047, 79124, 80696, 85768, 93016, 102311, 117931, 130214, 138467, 150094, 158248, 204622, 217591, 235862, 260428, 276934, 300188, 409244, 435182, 471724, 520856, 553868, 600376, 716177, 818488, 825517, 870364, 943448, 1107736, 1404451, 1432354, 1523137, 1651034, 1740728, 2808902, 2864708, 3046274, 3302068, 5617804, 5729416, 6092548, 6604136, 9831157, 11235608, 12185096, 15448961, 19662314, 30897922, 39324628, 61795844, 78649256, 108142727, 123591688, 216285454, 432570908, 865141816]

約数ペア:

[(1, 865141816), (2, 432570908), (4, 216285454), (7, 123591688), (8, 108142727), (11, 78649256), (14, 61795844), (22, 39324628), (28, 30897922), (44, 19662314), (56, 15448961), (71, 12185096), (77, 11235608), (88, 9831157), (131, 6604136), (142, 6092548), (151, 5729416), (154, 5617804), (262, 3302068), (284, 3046274), (302, 2864708), (308, 2808902), (497, 1740728), (524, 1651034), (568, 1523137), (604, 1432354), (616, 1404451), (781, 1107736), (917, 943448), (994, 870364), (1048, 825517), (1057, 818488), (1208, 716177), (1441, 600376), (1562, 553868), (1661, 520856), (1834, 471724), (1988, 435182), (2114, 409244), (2882, 300188), (3124, 276934), (3322, 260428), (3668, 235862), (3976, 217591), (4228, 204622), (5467, 158248), (5764, 150094), (6248, 138467), (6644, 130214), (7336, 117931), (8456, 102311), (9301, 93016), (10087, 85768), (10721, 80696), (10934, 79124), (11528, 75047), (11627, 74408), (13288, 65107), (18602, 46508), (19781, 43736), (20174, 42884), (21442, 40348), (21868, 39562), (23254, 37204)]