81686416

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 187043584

約数和(自身を除く): 105357168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 97, 103, 112, 146, 194, 206, 292, 388, 412, 511, 584, 679, 721, 776, 824, 1022, 1168, 1358, 1442, 1552, 1648, 2044, 2716, 2884, 4088, 5432, 5768, 7081, 7519, 8176, 9991, 10864, 11536, 14162, 15038, 19982, 28324, 30076, 39964, 49567, 52633, 56648, 60152, 69937, 79928, 99134, 105266, 113296, 120304, 139874, 159856, 198268, 210532, 279748, 396536, 421064, 559496, 729343, 793072, 842128, 1118992, 1458686, 2917372, 5105401, 5834744, 10210802, 11669488, 20421604, 40843208, 81686416]

約数ペア:

[(1, 81686416), (2, 40843208), (4, 20421604), (7, 11669488), (8, 10210802), (14, 5834744), (16, 5105401), (28, 2917372), (56, 1458686), (73, 1118992), (97, 842128), (103, 793072), (112, 729343), (146, 559496), (194, 421064), (206, 396536), (292, 279748), (388, 210532), (412, 198268), (511, 159856), (584, 139874), (679, 120304), (721, 113296), (776, 105266), (824, 99134), (1022, 79928), (1168, 69937), (1358, 60152), (1442, 56648), (1552, 52633), (1648, 49567), (2044, 39964), (2716, 30076), (2884, 28324), (4088, 19982), (5432, 15038), (5768, 14162), (7081, 11536), (7519, 10864), (8176, 9991)]