278375916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13417}}^1$

素因数の和:13463

約数の個数: 96

約数和(自身を含む): 841576960

約数和(自身を除く): 563201044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6916, 10374, 13417, 20748, 26834, 40251, 53668, 80502, 93919, 161004, 174421, 187838, 254923, 281757, 348842, 375676, 509846, 523263, 563514, 697684, 764769, 1019692, 1046526, 1127028, 1220947, 1529538, 1784461, 2093052, 2441894, 3059076, 3313999, 3568922, 3662841, 4883788, 5353383, 6627998, 7137844, 7325682, 9941997, 10706766, 13255996, 14651364, 19883994, 21413532, 23197993, 39767988, 46395986, 69593979, 92791972, 139187958, 278375916]

約数ペア:

[(1, 278375916), (2, 139187958), (3, 92791972), (4, 69593979), (6, 46395986), (7, 39767988), (12, 23197993), (13, 21413532), (14, 19883994), (19, 14651364), (21, 13255996), (26, 10706766), (28, 9941997), (38, 7325682), (39, 7137844), (42, 6627998), (52, 5353383), (57, 4883788), (76, 3662841), (78, 3568922), (84, 3313999), (91, 3059076), (114, 2441894), (133, 2093052), (156, 1784461), (182, 1529538), (228, 1220947), (247, 1127028), (266, 1046526), (273, 1019692), (364, 764769), (399, 697684), (494, 563514), (532, 523263), (546, 509846), (741, 375676), (798, 348842), (988, 281757), (1092, 254923), (1482, 187838), (1596, 174421), (1729, 161004), (2964, 93919), (3458, 80502), (5187, 53668), (6916, 40251), (10374, 26834), (13417, 20748)]