208511072

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 529552800

約数和(自身を除く): 321041728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 121, 154, 157, 176, 196, 224, 242, 308, 314, 343, 352, 392, 484, 539, 616, 628, 686, 784, 847, 968, 1078, 1099, 1232, 1256, 1372, 1568, 1694, 1727, 1936, 2156, 2198, 2464, 2512, 2744, 3388, 3454, 3773, 3872, 4312, 4396, 5024, 5488, 5929, 6776, 6908, 7546, 7693, 8624, 8792, 10976, 11858, 12089, 13552, 13816, 15092, 15386, 17248, 17584, 18997, 23716, 24178, 27104, 27632, 30184, 30772, 35168, 37994, 41503, 47432, 48356, 53851, 55264, 60368, 61544, 75988, 83006, 84623, 94864, 96712, 107702, 120736, 123088, 132979, 151976, 166012, 169246, 189728, 193424, 215404, 246176, 265958, 303952, 332024, 338492, 386848, 430808, 531916, 592361, 607904, 664048, 676984, 861616, 930853, 1063832, 1184722, 1328096, 1353968, 1723232, 1861706, 2127664, 2369444, 2707936, 3723412, 4255328, 4738888, 6515971, 7446824, 9477776, 13031942, 14893648, 18955552, 26063884, 29787296, 52127768, 104255536, 208511072]

約数ペア:

[(1, 208511072), (2, 104255536), (4, 52127768), (7, 29787296), (8, 26063884), (11, 18955552), (14, 14893648), (16, 13031942), (22, 9477776), (28, 7446824), (32, 6515971), (44, 4738888), (49, 4255328), (56, 3723412), (77, 2707936), (88, 2369444), (98, 2127664), (112, 1861706), (121, 1723232), (154, 1353968), (157, 1328096), (176, 1184722), (196, 1063832), (224, 930853), (242, 861616), (308, 676984), (314, 664048), (343, 607904), (352, 592361), (392, 531916), (484, 430808), (539, 386848), (616, 338492), (628, 332024), (686, 303952), (784, 265958), (847, 246176), (968, 215404), (1078, 193424), (1099, 189728), (1232, 169246), (1256, 166012), (1372, 151976), (1568, 132979), (1694, 123088), (1727, 120736), (1936, 107702), (2156, 96712), (2198, 94864), (2464, 84623), (2512, 83006), (2744, 75988), (3388, 61544), (3454, 60368), (3773, 55264), (3872, 53851), (4312, 48356), (4396, 47432), (5024, 41503), (5488, 37994), (5929, 35168), (6776, 30772), (6908, 30184), (7546, 27632), (7693, 27104), (8624, 24178), (8792, 23716), (10976, 18997), (11858, 17584), (12089, 17248), (13552, 15386), (13816, 15092)]