209195168

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 537667200

約数和(自身を除く): 328472032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 199, 208, 224, 247, 266, 304, 361, 364, 398, 416, 494, 532, 608, 722, 728, 796, 988, 1064, 1393, 1444, 1456, 1592, 1729, 1976, 2128, 2527, 2587, 2786, 2888, 2912, 3184, 3458, 3781, 3952, 4256, 4693, 5054, 5174, 5572, 5776, 6368, 6916, 7562, 7904, 9386, 10108, 10348, 11144, 11552, 13832, 15124, 18109, 18772, 20216, 20696, 22288, 26467, 27664, 30248, 32851, 36218, 37544, 40432, 41392, 44576, 49153, 52934, 55328, 60496, 65702, 71839, 72436, 75088, 80864, 82784, 98306, 105868, 120992, 131404, 143678, 144872, 150176, 196612, 211736, 262808, 287356, 289744, 344071, 393224, 423472, 502873, 525616, 574712, 579488, 688142, 786448, 846944, 933907, 1005746, 1051232, 1149424, 1376284, 1572896, 1867814, 2011492, 2298848, 2752568, 3735628, 4022984, 5505136, 6537349, 7471256, 8045968, 11010272, 13074698, 14942512, 16091936, 26149396, 29885024, 52298792, 104597584, 209195168]

約数ペア:

[(1, 209195168), (2, 104597584), (4, 52298792), (7, 29885024), (8, 26149396), (13, 16091936), (14, 14942512), (16, 13074698), (19, 11010272), (26, 8045968), (28, 7471256), (32, 6537349), (38, 5505136), (52, 4022984), (56, 3735628), (76, 2752568), (91, 2298848), (104, 2011492), (112, 1867814), (133, 1572896), (152, 1376284), (182, 1149424), (199, 1051232), (208, 1005746), (224, 933907), (247, 846944), (266, 786448), (304, 688142), (361, 579488), (364, 574712), (398, 525616), (416, 502873), (494, 423472), (532, 393224), (608, 344071), (722, 289744), (728, 287356), (796, 262808), (988, 211736), (1064, 196612), (1393, 150176), (1444, 144872), (1456, 143678), (1592, 131404), (1729, 120992), (1976, 105868), (2128, 98306), (2527, 82784), (2587, 80864), (2786, 75088), (2888, 72436), (2912, 71839), (3184, 65702), (3458, 60496), (3781, 55328), (3952, 52934), (4256, 49153), (4693, 44576), (5054, 41392), (5174, 40432), (5572, 37544), (5776, 36218), (6368, 32851), (6916, 30248), (7562, 27664), (7904, 26467), (9386, 22288), (10108, 20696), (10348, 20216), (11144, 18772), (11552, 18109), (13832, 15124)]