40005217

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{19913}}^1$

素因数の和:19968

約数の個数: 12

約数和(自身を含む): 47674116

約数和(自身を除く): 7668899

約数列:

[1, 7, 41, 49, 287, 2009, 19913, 139391, 816433, 975737, 5715031, 40005217]

約数ペア:

[(1, 40005217), (7, 5715031), (41, 975737), (49, 816433), (287, 139391), (2009, 19913)]