1999215681708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1\times {\mathrm{498089}}^1$

素因数の和:498847

約数の個数: 96

約数和(自身を含む): 5414373780480

約数和(自身を除く): 3415158098772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 673, 852, 994, 1346, 1491, 1988, 2019, 2692, 2982, 4038, 4711, 5964, 8076, 9422, 14133, 18844, 28266, 47783, 56532, 95566, 143349, 191132, 286698, 334481, 498089, 573396, 668962, 996178, 1003443, 1337924, 1494267, 1992356, 2006886, 2988534, 3486623, 4013772, 5977068, 6973246, 10459869, 13946492, 20919738, 35364319, 41839476, 70728638, 106092957, 141457276, 212185914, 247550233, 335213897, 424371828, 495100466, 670427794, 742650699, 990200932, 1005641691, 1340855588, 1485301398, 2011283382, 2346497279, 2970602796, 4022566764, 4692994558, 7039491837, 9385989116, 14078983674, 23800186687, 28157967348, 47600373374, 71400560061, 95200746748, 142801120122, 166601306809, 285602240244, 333202613618, 499803920427, 666405227236, 999607840854, 1999215681708]

約数ペア:

[(1, 1999215681708), (2, 999607840854), (3, 666405227236), (4, 499803920427), (6, 333202613618), (7, 285602240244), (12, 166601306809), (14, 142801120122), (21, 95200746748), (28, 71400560061), (42, 47600373374), (71, 28157967348), (84, 23800186687), (142, 14078983674), (213, 9385989116), (284, 7039491837), (426, 4692994558), (497, 4022566764), (673, 2970602796), (852, 2346497279), (994, 2011283382), (1346, 1485301398), (1491, 1340855588), (1988, 1005641691), (2019, 990200932), (2692, 742650699), (2982, 670427794), (4038, 495100466), (4711, 424371828), (5964, 335213897), (8076, 247550233), (9422, 212185914), (14133, 141457276), (18844, 106092957), (28266, 70728638), (47783, 41839476), (56532, 35364319), (95566, 20919738), (143349, 13946492), (191132, 10459869), (286698, 6973246), (334481, 5977068), (498089, 4013772), (573396, 3486623), (668962, 2988534), (996178, 2006886), (1003443, 1992356), (1337924, 1494267)]