211370990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{515539}}^1$

素因数の和:515587

約数の個数: 16

約数和(自身を含む): 389748240

約数和(自身を除く): 178377250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 515539, 1031078, 2577695, 5155390, 21137099, 42274198, 105685495, 211370990]

約数ペア:

[(1, 211370990), (2, 105685495), (5, 42274198), (10, 21137099), (41, 5155390), (82, 2577695), (205, 1031078), (410, 515539)]