7247907849

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{997}}^1$

素因数の和:1910

約数の個数: 64

約数和(自身を含む): 12304302080

約数和(自身を除く): 5056394231

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 859, 997, 1209, 2577, 2821, 2991, 6013, 6979, 8463, 11167, 12961, 18039, 20937, 26629, 30907, 33501, 38883, 78169, 79887, 90727, 92721, 186403, 216349, 234507, 272181, 346177, 401791, 559209, 649047, 856423, 1038531, 1205373, 2423239, 2569269, 2812537, 5994961, 7269717, 8437611, 11133499, 17984883, 26549113, 33400497, 77934493, 79647339, 185843791, 233803479, 345138469, 557531373, 1035415407, 2415969283, 7247907849]

約数ペア:

[(1, 7247907849), (3, 2415969283), (7, 1035415407), (13, 557531373), (21, 345138469), (31, 233803479), (39, 185843791), (91, 79647339), (93, 77934493), (217, 33400497), (273, 26549113), (403, 17984883), (651, 11133499), (859, 8437611), (997, 7269717), (1209, 5994961), (2577, 2812537), (2821, 2569269), (2991, 2423239), (6013, 1205373), (6979, 1038531), (8463, 856423), (11167, 649047), (12961, 559209), (18039, 401791), (20937, 346177), (26629, 272181), (30907, 234507), (33501, 216349), (38883, 186403), (78169, 92721), (79887, 90727)]