2578261264

素因数分解:

$2^4\times {\mathrm{1291}}^1\times {\mathrm{124819}}^1$

素因数の和:126118

約数の個数: 20

約数和(自身を含む): 4999290640

約数和(自身を除く): 2421029376

約数列:

[1, 2, 4, 8, 16, 1291, 2582, 5164, 10328, 20656, 124819, 249638, 499276, 998552, 1997104, 161141329, 322282658, 644565316, 1289130632, 2578261264]

約数ペア:

[(1, 2578261264), (2, 1289130632), (4, 644565316), (8, 322282658), (16, 161141329), (1291, 1997104), (2582, 998552), (5164, 499276), (10328, 249638), (20656, 124819)]