211458215

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{4441}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 259057440

約数和(自身を除く): 47599225

約数列:

[1, 5, 89, 107, 445, 535, 4441, 9523, 22205, 47615, 395249, 475187, 1976245, 2375935, 42291643, 211458215]

約数ペア:

[(1, 211458215), (5, 42291643), (89, 2375935), (107, 1976245), (445, 475187), (535, 395249), (4441, 47615), (9523, 22205)]