161905790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{2273}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 309445920

約数和(自身を除く): 147540130

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 2095, 2273, 4190, 4546, 7123, 11365, 14246, 22730, 35615, 38641, 71230, 77282, 193205, 386410, 952387, 1904774, 4761935, 9523870, 16190579, 32381158, 80952895, 161905790]

約数ペア:

[(1, 161905790), (2, 80952895), (5, 32381158), (10, 16190579), (17, 9523870), (34, 4761935), (85, 1904774), (170, 952387), (419, 386410), (838, 193205), (2095, 77282), (2273, 71230), (4190, 38641), (4546, 35615), (7123, 22730), (11365, 14246)]