7220143

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 8632384

約数和(自身を除く): 1412241

約数列:

[1, 7, 37, 61, 259, 427, 457, 2257, 3199, 15799, 16909, 27877, 118363, 195139, 1031449, 7220143]

約数ペア:

[(1, 7220143), (7, 1031449), (37, 195139), (61, 118363), (259, 27877), (427, 16909), (457, 15799), (2257, 3199)]