11983885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 14857920

約数和(自身を除く): 2874035

約数列:

[1, 5, 43, 139, 215, 401, 695, 2005, 5977, 17243, 29885, 55739, 86215, 278695, 2396777, 11983885]

約数ペア:

[(1, 11983885), (5, 2396777), (43, 278695), (139, 86215), (215, 55739), (401, 29885), (695, 17243), (2005, 5977)]