161569315

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 203451840

約数和(自身を除く): 41882525

約数列:

[1, 5, 41, 47, 205, 235, 409, 1681, 1927, 2045, 8405, 9635, 16769, 19223, 79007, 83845, 96115, 395035, 687529, 788143, 3437645, 3940715, 32313863, 161569315]

約数ペア:

[(1, 161569315), (5, 32313863), (41, 3940715), (47, 3437645), (205, 788143), (235, 687529), (409, 395035), (1681, 96115), (1927, 83845), (2045, 79007), (8405, 19223), (9635, 16769)]