678264517

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{5039}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 820471680

約数和(自身を除く): 142207163

約数列:

[1, 7, 41, 49, 67, 287, 469, 2009, 2747, 3283, 5039, 19229, 35273, 134603, 206599, 246911, 337613, 1446193, 2363291, 10123351, 13842133, 16543037, 96894931, 678264517]

約数ペア:

[(1, 678264517), (7, 96894931), (41, 16543037), (49, 13842133), (67, 10123351), (287, 2363291), (469, 1446193), (2009, 337613), (2747, 246911), (3283, 206599), (5039, 134603), (19229, 35273)]