249536912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7717}}^1$

素因数の和:7815

約数の個数: 40

約数和(自身を含む): 505312896

約数和(自身を除く): 255775984

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 7717, 8084, 15434, 16168, 30868, 32336, 61736, 123472, 331831, 362699, 663662, 725398, 1327324, 1450796, 2654648, 2901592, 5309296, 5803184, 15596057, 31192114, 62384228, 124768456, 249536912]

約数ペア:

[(1, 249536912), (2, 124768456), (4, 62384228), (8, 31192114), (16, 15596057), (43, 5803184), (47, 5309296), (86, 2901592), (94, 2654648), (172, 1450796), (188, 1327324), (344, 725398), (376, 663662), (688, 362699), (752, 331831), (2021, 123472), (4042, 61736), (7717, 32336), (8084, 30868), (15434, 16168)]