28239568

素因数分解:

$2^4\times 7^1\times {\mathrm{252139}}^1$

素因数の和:252154

約数の個数: 20

約数和(自身を含む): 62530720

約数和(自身を除く): 34291152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 252139, 504278, 1008556, 1764973, 2017112, 3529946, 4034224, 7059892, 14119784, 28239568]

約数ペア:

[(1, 28239568), (2, 14119784), (4, 7059892), (7, 4034224), (8, 3529946), (14, 2017112), (16, 1764973), (28, 1008556), (56, 504278), (112, 252139)]