278987268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{77239}}^1$

素因数の和:77296

約数の個数: 48

約数和(自身を含む): 761277440

約数和(自身を除く): 482290172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 77239, 154478, 231717, 308956, 463434, 540673, 926868, 1081346, 1622019, 2162692, 3244038, 3321277, 6488076, 6642554, 9963831, 13285108, 19927662, 23248939, 39855324, 46497878, 69746817, 92995756, 139493634, 278987268]

約数ペア:

[(1, 278987268), (2, 139493634), (3, 92995756), (4, 69746817), (6, 46497878), (7, 39855324), (12, 23248939), (14, 19927662), (21, 13285108), (28, 9963831), (42, 6642554), (43, 6488076), (84, 3321277), (86, 3244038), (129, 2162692), (172, 1622019), (258, 1081346), (301, 926868), (516, 540673), (602, 463434), (903, 308956), (1204, 231717), (1806, 154478), (3612, 77239)]