209513545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 269982720

約数和(自身を除く): 60469175

約数列:

[1, 5, 29, 47, 71, 145, 235, 355, 433, 1363, 2059, 2165, 3337, 6815, 10295, 12557, 16685, 20351, 30743, 62785, 96773, 101755, 153715, 483865, 590179, 891547, 1444921, 2950895, 4457735, 7224605, 41902709, 209513545]

約数ペア:

[(1, 209513545), (5, 41902709), (29, 7224605), (47, 4457735), (71, 2950895), (145, 1444921), (235, 891547), (355, 590179), (433, 483865), (1363, 153715), (2059, 101755), (2165, 96773), (3337, 62785), (6815, 30743), (10295, 20351), (12557, 16685)]