8791321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 11796480

約数和(自身を除く): 3005159

約数列:

[1, 7, 11, 29, 31, 77, 127, 203, 217, 319, 341, 889, 899, 1397, 2233, 2387, 3683, 3937, 6293, 9779, 9889, 25781, 27559, 40513, 43307, 69223, 114173, 283591, 303149, 799211, 1255903, 8791321]

約数ペア:

[(1, 8791321), (7, 1255903), (11, 799211), (29, 303149), (31, 283591), (77, 114173), (127, 69223), (203, 43307), (217, 40513), (319, 27559), (341, 25781), (889, 9889), (899, 9779), (1397, 6293), (2233, 3937), (2387, 3683)]