80986759

素因数分解:

$7^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 108064000

約数和(自身を除く): 27077241

約数列:

[1, 7, 17, 19, 43, 49, 119, 133, 289, 301, 323, 343, 731, 817, 833, 931, 2023, 2107, 2261, 5117, 5491, 5719, 5831, 6517, 12427, 13889, 14161, 14749, 15827, 35819, 38437, 40033, 86989, 97223, 99127, 110789, 236113, 250733, 269059, 280231, 608923, 680561, 1652791, 1883413, 4262461, 4763927, 11569537, 80986759]

約数ペア:

[(1, 80986759), (7, 11569537), (17, 4763927), (19, 4262461), (43, 1883413), (49, 1652791), (119, 680561), (133, 608923), (289, 280231), (301, 269059), (323, 250733), (343, 236113), (731, 110789), (817, 99127), (833, 97223), (931, 86989), (2023, 40033), (2107, 38437), (2261, 35819), (5117, 15827), (5491, 14749), (5719, 14161), (5831, 13889), (6517, 12427)]