28238896

素因数分解:

$2^4\times 7^2\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 60

約数和(自身を含む): 64318800

約数和(自身を除く): 36079904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 181, 196, 199, 362, 392, 398, 724, 784, 796, 1267, 1393, 1448, 1592, 2534, 2786, 2896, 3184, 5068, 5572, 8869, 9751, 10136, 11144, 17738, 19502, 20272, 22288, 35476, 36019, 39004, 70952, 72038, 78008, 141904, 144076, 156016, 252133, 288152, 504266, 576304, 1008532, 1764931, 2017064, 3529862, 4034128, 7059724, 14119448, 28238896]

約数ペア:

[(1, 28238896), (2, 14119448), (4, 7059724), (7, 4034128), (8, 3529862), (14, 2017064), (16, 1764931), (28, 1008532), (49, 576304), (56, 504266), (98, 288152), (112, 252133), (181, 156016), (196, 144076), (199, 141904), (362, 78008), (392, 72038), (398, 70952), (724, 39004), (784, 36019), (796, 35476), (1267, 22288), (1393, 20272), (1448, 19502), (1592, 17738), (2534, 11144), (2786, 10136), (2896, 9751), (3184, 8869), (5068, 5572)]