139579376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{202877}}^1$

素因数の和:202928

約数の個数: 20

約数和(自身を含む): 276725592

約数和(自身を除く): 137146216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 202877, 405754, 811508, 1623016, 3246032, 8723711, 17447422, 34894844, 69789688, 139579376]

約数ペア:

[(1, 139579376), (2, 69789688), (4, 34894844), (8, 17447422), (16, 8723711), (43, 3246032), (86, 1623016), (172, 811508), (344, 405754), (688, 202877)]