199959865

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4049}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 293932800

約数和(自身を除く): 93972935

約数列:

[1, 5, 7, 17, 35, 83, 85, 119, 415, 581, 595, 1411, 2905, 4049, 7055, 9877, 20245, 28343, 49385, 68833, 141715, 336067, 344165, 481831, 1680335, 2352469, 2409155, 5713139, 11762345, 28565695, 39991973, 199959865]

約数ペア:

[(1, 199959865), (5, 39991973), (7, 28565695), (17, 11762345), (35, 5713139), (83, 2409155), (85, 2352469), (119, 1680335), (415, 481831), (581, 344165), (595, 336067), (1411, 141715), (2905, 68833), (4049, 49385), (7055, 28343), (9877, 20245)]