204136655

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 261740160

約数和(自身を除く): 57603505

約数列:

[1, 5, 29, 53, 101, 145, 263, 265, 505, 1315, 1537, 2929, 5353, 7627, 7685, 13939, 14645, 26563, 26765, 38135, 69695, 132815, 155237, 404231, 770327, 776185, 1407839, 2021155, 3851635, 7039195, 40827331, 204136655]

約数ペア:

[(1, 204136655), (5, 40827331), (29, 7039195), (53, 3851635), (101, 2021155), (145, 1407839), (263, 776185), (265, 770327), (505, 404231), (1315, 155237), (1537, 132815), (2929, 69695), (5353, 38135), (7627, 26765), (7685, 26563), (13939, 14645)]