266181916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9497}}^1$

素因数の和:9539

約数の個数: 72

約数和(自身を含む): 636669936

約数和(自身を除く): 370488020

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 9497, 14014, 18994, 28028, 37988, 66479, 104467, 123461, 132958, 208934, 246922, 265916, 417868, 465353, 493844, 731269, 864227, 930706, 1358071, 1462538, 1728454, 1861412, 2716142, 2925076, 3456908, 5118883, 5432284, 6049589, 9506497, 10237766, 12099178, 19012994, 20475532, 24198356, 38025988, 66545479, 133090958, 266181916]

約数ペア:

[(1, 266181916), (2, 133090958), (4, 66545479), (7, 38025988), (11, 24198356), (13, 20475532), (14, 19012994), (22, 12099178), (26, 10237766), (28, 9506497), (44, 6049589), (49, 5432284), (52, 5118883), (77, 3456908), (91, 2925076), (98, 2716142), (143, 1861412), (154, 1728454), (182, 1462538), (196, 1358071), (286, 930706), (308, 864227), (364, 731269), (539, 493844), (572, 465353), (637, 417868), (1001, 265916), (1078, 246922), (1274, 208934), (2002, 132958), (2156, 123461), (2548, 104467), (4004, 66479), (7007, 37988), (9497, 28028), (14014, 18994)]