27998768

素因数分解:

$2^4\times 7^1\times {\mathrm{249989}}^1$

素因数の和:250004

約数の個数: 20

約数和(自身を含む): 61997520

約数和(自身を除く): 33998752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 249989, 499978, 999956, 1749923, 1999912, 3499846, 3999824, 6999692, 13999384, 27998768]

約数ペア:

[(1, 27998768), (2, 13999384), (4, 6999692), (7, 3999824), (8, 3499846), (14, 1999912), (16, 1749923), (28, 999956), (56, 499978), (112, 249989)]