253441456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{833689}}^1$

素因数の和:833716

約数の個数: 20

約数和(自身を含む): 516887800

約数和(自身を除く): 263446344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 833689, 1667378, 3334756, 6669512, 13339024, 15840091, 31680182, 63360364, 126720728, 253441456]

約数ペア:

[(1, 253441456), (2, 126720728), (4, 63360364), (8, 31680182), (16, 15840091), (19, 13339024), (38, 6669512), (76, 3334756), (152, 1667378), (304, 833689)]