199948672

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20287}}^1$

素因数の和:20319

約数の個数: 64

約数和(自身を含む): 496650240

約数和(自身を除く): 296701568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2464, 4928, 9856, 20287, 40574, 81148, 142009, 162296, 223157, 284018, 324592, 446314, 568036, 649184, 892628, 1136072, 1298368, 1562099, 1785256, 2272144, 2596736, 3124198, 3570512, 4544288, 6248396, 7141024, 9088576, 12496792, 14282048, 18177152, 24993584, 28564096, 49987168, 99974336, 199948672]

約数ペア:

[(1, 199948672), (2, 99974336), (4, 49987168), (7, 28564096), (8, 24993584), (11, 18177152), (14, 14282048), (16, 12496792), (22, 9088576), (28, 7141024), (32, 6248396), (44, 4544288), (56, 3570512), (64, 3124198), (77, 2596736), (88, 2272144), (112, 1785256), (128, 1562099), (154, 1298368), (176, 1136072), (224, 892628), (308, 649184), (352, 568036), (448, 446314), (616, 324592), (704, 284018), (896, 223157), (1232, 162296), (1408, 142009), (2464, 81148), (4928, 40574), (9856, 20287)]