171790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 16

約数和(自身を含む): 317520

約数和(自身を除く): 145730

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 419, 838, 2095, 4190, 17179, 34358, 85895, 171790]

約数ペア:

[(1, 171790), (2, 85895), (5, 34358), (10, 17179), (41, 4190), (82, 2095), (205, 838), (410, 419)]