257800892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{4481}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 475629840

約数和(自身を除く): 217828948

約数列:

[1, 2, 4, 19, 38, 76, 757, 1514, 3028, 4481, 8962, 14383, 17924, 28766, 57532, 85139, 170278, 340556, 3392117, 6784234, 13568468, 64450223, 128900446, 257800892]

約数ペア:

[(1, 257800892), (2, 128900446), (4, 64450223), (19, 13568468), (38, 6784234), (76, 3392117), (757, 340556), (1514, 170278), (3028, 85139), (4481, 57532), (8962, 28766), (14383, 17924)]