71720195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2063}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 91393920

約数和(自身を除く): 19673725

約数列:

[1, 5, 17, 85, 409, 2045, 2063, 6953, 10315, 34765, 35071, 175355, 843767, 4218835, 14344039, 71720195]

約数ペア:

[(1, 71720195), (5, 14344039), (17, 4218835), (85, 843767), (409, 175355), (2045, 35071), (2063, 34765), (6953, 10315)]