279976144

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{25771}}^1$

素因数の和:25883

約数の個数: 40

約数和(自身を含む): 626362688

約数和(自身を除く): 346386544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 25771, 51542, 103084, 180397, 206168, 360794, 412336, 721588, 1443176, 2499787, 2886352, 4999574, 9999148, 17498509, 19998296, 34997018, 39996592, 69994036, 139988072, 279976144]

約数ペア:

[(1, 279976144), (2, 139988072), (4, 69994036), (7, 39996592), (8, 34997018), (14, 19998296), (16, 17498509), (28, 9999148), (56, 4999574), (97, 2886352), (112, 2499787), (194, 1443176), (388, 721588), (679, 412336), (776, 360794), (1358, 206168), (1552, 180397), (2716, 103084), (5432, 51542), (10864, 25771)]