279954416

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 636667584

約数和(自身を除く): 356713168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 97, 112, 146, 194, 292, 353, 388, 511, 584, 679, 706, 776, 1022, 1168, 1358, 1412, 1552, 2044, 2471, 2716, 2824, 4088, 4942, 5432, 5648, 7081, 8176, 9884, 10864, 14162, 19768, 25769, 28324, 34241, 39536, 49567, 51538, 56648, 68482, 99134, 103076, 113296, 136964, 180383, 198268, 206152, 239687, 273928, 360766, 396536, 412304, 479374, 547856, 721532, 793072, 958748, 1443064, 1917496, 2499593, 2886128, 3834992, 4999186, 9998372, 17497151, 19996744, 34994302, 39993488, 69988604, 139977208, 279954416]

約数ペア:

[(1, 279954416), (2, 139977208), (4, 69988604), (7, 39993488), (8, 34994302), (14, 19996744), (16, 17497151), (28, 9998372), (56, 4999186), (73, 3834992), (97, 2886128), (112, 2499593), (146, 1917496), (194, 1443064), (292, 958748), (353, 793072), (388, 721532), (511, 547856), (584, 479374), (679, 412304), (706, 396536), (776, 360766), (1022, 273928), (1168, 239687), (1358, 206152), (1412, 198268), (1552, 180383), (2044, 136964), (2471, 113296), (2716, 103076), (2824, 99134), (4088, 68482), (4942, 56648), (5432, 51538), (5648, 49567), (7081, 39536), (8176, 34241), (9884, 28324), (10864, 25769), (14162, 19768)]