6400016

素因数分解:

$2^4\times 7^1\times {\mathrm{57143}}^1$

素因数の和:57158

約数の個数: 20

約数和(自身を含む): 14171712

約数和(自身を除く): 7771696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 57143, 114286, 228572, 400001, 457144, 800002, 914288, 1600004, 3200008, 6400016]

約数ペア:

[(1, 6400016), (2, 3200008), (4, 1600004), (7, 914288), (8, 800002), (14, 457144), (16, 400001), (28, 228572), (56, 114286), (112, 57143)]