291212752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 610675200

約数和(自身を除く): 319462448

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 113, 149, 184, 188, 226, 298, 368, 376, 452, 596, 752, 904, 1081, 1192, 1808, 2162, 2384, 2599, 3427, 4324, 5198, 5311, 6854, 7003, 8648, 10396, 10622, 13708, 14006, 16837, 17296, 20792, 21244, 27416, 28012, 33674, 41584, 42488, 54832, 56024, 67348, 84976, 112048, 122153, 134696, 161069, 244306, 269392, 322138, 387251, 488612, 644276, 774502, 791339, 977224, 1288552, 1549004, 1582678, 1954448, 2577104, 3098008, 3165356, 6196016, 6330712, 12661424, 18200797, 36401594, 72803188, 145606376, 291212752]

約数ペア:

[(1, 291212752), (2, 145606376), (4, 72803188), (8, 36401594), (16, 18200797), (23, 12661424), (46, 6330712), (47, 6196016), (92, 3165356), (94, 3098008), (113, 2577104), (149, 1954448), (184, 1582678), (188, 1549004), (226, 1288552), (298, 977224), (368, 791339), (376, 774502), (452, 644276), (596, 488612), (752, 387251), (904, 322138), (1081, 269392), (1192, 244306), (1808, 161069), (2162, 134696), (2384, 122153), (2599, 112048), (3427, 84976), (4324, 67348), (5198, 56024), (5311, 54832), (6854, 42488), (7003, 41584), (8648, 33674), (10396, 28012), (10622, 27416), (13708, 21244), (14006, 20792), (16837, 17296)]