8721076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 20086080

約数和(自身を除く): 11365004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 97, 133, 169, 182, 194, 247, 266, 338, 364, 388, 494, 532, 676, 679, 988, 1183, 1261, 1358, 1729, 1843, 2366, 2522, 2716, 3211, 3458, 3686, 4732, 5044, 6422, 6916, 7372, 8827, 12844, 12901, 16393, 17654, 22477, 23959, 25802, 32786, 35308, 44954, 47918, 51604, 65572, 89908, 95836, 114751, 167713, 229502, 311467, 335426, 459004, 622934, 670852, 1245868, 2180269, 4360538, 8721076]

約数ペア:

[(1, 8721076), (2, 4360538), (4, 2180269), (7, 1245868), (13, 670852), (14, 622934), (19, 459004), (26, 335426), (28, 311467), (38, 229502), (52, 167713), (76, 114751), (91, 95836), (97, 89908), (133, 65572), (169, 51604), (182, 47918), (194, 44954), (247, 35308), (266, 32786), (338, 25802), (364, 23959), (388, 22477), (494, 17654), (532, 16393), (676, 12901), (679, 12844), (988, 8827), (1183, 7372), (1261, 6916), (1358, 6422), (1729, 5044), (1843, 4732), (2366, 3686), (2522, 3458), (2716, 3211)]