80721487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{11779}}^1$

素因数の和:11886

約数の個数: 16

約数和(自身を含む): 101779200

約数和(自身を除く): 21057713

約数列:

[1, 7, 11, 77, 89, 623, 979, 6853, 11779, 82453, 129569, 906983, 1048331, 7338317, 11531641, 80721487]

約数ペア:

[(1, 80721487), (7, 11531641), (11, 7338317), (77, 1048331), (89, 906983), (623, 129569), (979, 82453), (6853, 11779)]