239989321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 58056119

約数列:

[1, 11, 13, 31, 43, 143, 341, 403, 473, 559, 1259, 1333, 4433, 6149, 13849, 14663, 16367, 17329, 39029, 54137, 180037, 190619, 429319, 507377, 595507, 703781, 1678247, 5581147, 7741591, 18460717, 21817211, 239989321]

約数ペア:

[(1, 239989321), (11, 21817211), (13, 18460717), (31, 7741591), (43, 5581147), (143, 1678247), (341, 703781), (403, 595507), (473, 507377), (559, 429319), (1259, 190619), (1333, 180037), (4433, 54137), (6149, 39029), (13849, 17329), (14663, 16367)]