67912636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21739}}^1$

素因数の和:21825

約数の個数: 24

約数和(自身を含む): 131483520

約数和(自身を除く): 63570884

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 21739, 43478, 86956, 239129, 478258, 956516, 1543469, 3086938, 6173876, 16978159, 33956318, 67912636]

約数ペア:

[(1, 67912636), (2, 33956318), (4, 16978159), (11, 6173876), (22, 3086938), (44, 1543469), (71, 956516), (142, 478258), (284, 239129), (781, 86956), (1562, 43478), (3124, 21739)]