257901364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{484777}}^1$

素因数の和:484807

約数の個数: 24

約数和(自身を含む): 542951360

約数和(自身を除く): 285049996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 484777, 969554, 1939108, 3393439, 6786878, 9210763, 13573756, 18421526, 36843052, 64475341, 128950682, 257901364]

約数ペア:

[(1, 257901364), (2, 128950682), (4, 64475341), (7, 36843052), (14, 18421526), (19, 13573756), (28, 9210763), (38, 6786878), (76, 3393439), (133, 1939108), (266, 969554), (532, 484777)]