212310791

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 271600128

約数和(自身を除く): 59289337

約数列:

[1, 7, 11, 73, 77, 107, 353, 511, 749, 803, 1177, 2471, 3883, 5621, 7811, 8239, 25769, 27181, 37771, 54677, 85921, 180383, 264397, 283459, 415481, 601447, 1984213, 2757283, 2908367, 19300981, 30330113, 212310791]

約数ペア:

[(1, 212310791), (7, 30330113), (11, 19300981), (73, 2908367), (77, 2757283), (107, 1984213), (353, 601447), (511, 415481), (749, 283459), (803, 264397), (1177, 180383), (2471, 85921), (3883, 54677), (5621, 37771), (7811, 27181), (8239, 25769)]