28551666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 67931136

約数和(自身を除く): 39379470

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 107, 143, 214, 286, 311, 321, 429, 622, 642, 858, 933, 1177, 1391, 1866, 2354, 2782, 3421, 3531, 4043, 4173, 6842, 7062, 8086, 8346, 10263, 12129, 15301, 20526, 24258, 30602, 33277, 44473, 45903, 66554, 88946, 91806, 99831, 133419, 199662, 266838, 366047, 432601, 732094, 865202, 1098141, 1297803, 2196282, 2595606, 4758611, 9517222, 14275833, 28551666]

約数ペア:

[(1, 28551666), (2, 14275833), (3, 9517222), (6, 4758611), (11, 2595606), (13, 2196282), (22, 1297803), (26, 1098141), (33, 865202), (39, 732094), (66, 432601), (78, 366047), (107, 266838), (143, 199662), (214, 133419), (286, 99831), (311, 91806), (321, 88946), (429, 66554), (622, 45903), (642, 44473), (858, 33277), (933, 30602), (1177, 24258), (1391, 20526), (1866, 15301), (2354, 12129), (2782, 10263), (3421, 8346), (3531, 8086), (4043, 7062), (4173, 6842)]