256586134

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1\times {\mathrm{1451}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 466684416

約数和(自身を除く): 210098282

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 743, 1451, 1486, 2902, 5201, 10157, 10402, 12631, 20314, 24667, 25262, 49334, 88417, 172669, 176834, 345338, 1078093, 2156186, 7546651, 15093302, 18327581, 36655162, 128293067, 256586134]

約数ペア:

[(1, 256586134), (2, 128293067), (7, 36655162), (14, 18327581), (17, 15093302), (34, 7546651), (119, 2156186), (238, 1078093), (743, 345338), (1451, 176834), (1486, 172669), (2902, 88417), (5201, 49334), (10157, 25262), (10402, 24667), (12631, 20314)]