664893616

素因数分解:

$2^4\times {\mathrm{10243}}^1\times {\mathrm{4057}}^1$

素因数の和:14308

約数の個数: 20

約数和(自身を含む): 1288674712

約数和(自身を除く): 623781096

約数列:

[1, 2, 4, 8, 16, 4057, 8114, 10243, 16228, 20486, 32456, 40972, 64912, 81944, 163888, 41555851, 83111702, 166223404, 332446808, 664893616]

約数ペア:

[(1, 664893616), (2, 332446808), (4, 166223404), (8, 83111702), (16, 41555851), (4057, 163888), (8114, 81944), (10243, 64912), (16228, 40972), (20486, 32456)]