80988754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 161740800

約数和(自身を除く): 80752046

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 89, 133, 154, 178, 209, 266, 311, 418, 622, 623, 979, 1246, 1463, 1691, 1958, 2177, 2926, 3382, 3421, 4354, 5909, 6842, 6853, 11818, 11837, 13706, 18601, 23674, 23947, 27679, 37202, 41363, 47894, 55358, 64999, 82726, 129998, 130207, 193753, 260414, 304469, 387506, 454993, 525901, 608938, 909986, 1051802, 2131283, 3681307, 4262566, 5784911, 7362614, 11569822, 40494377, 80988754]

約数ペア:

[(1, 80988754), (2, 40494377), (7, 11569822), (11, 7362614), (14, 5784911), (19, 4262566), (22, 3681307), (38, 2131283), (77, 1051802), (89, 909986), (133, 608938), (154, 525901), (178, 454993), (209, 387506), (266, 304469), (311, 260414), (418, 193753), (622, 130207), (623, 129998), (979, 82726), (1246, 64999), (1463, 55358), (1691, 47894), (1958, 41363), (2177, 37202), (2926, 27679), (3382, 23947), (3421, 23674), (4354, 18601), (5909, 13706), (6842, 11837), (6853, 11818)]