209881439

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 238081680

約数和(自身を除く): 28200241

約数列:

[1, 17, 29, 31, 443, 493, 527, 899, 961, 7531, 12847, 13733, 15283, 16337, 27869, 218399, 233461, 398257, 425723, 473773, 6770369, 7237291, 12345967, 209881439]

約数ペア:

[(1, 209881439), (17, 12345967), (29, 7237291), (31, 6770369), (443, 473773), (493, 425723), (527, 398257), (899, 233461), (961, 218399), (7531, 27869), (12847, 16337), (13733, 15283)]