81137906

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:878

約数の個数: 24

約数和(自身を含む): 130063620

約数和(自身を除く): 48925714

約数列:

[1, 2, 17, 34, 229, 289, 458, 578, 613, 1226, 3893, 7786, 10421, 20842, 66181, 132362, 140377, 177157, 280754, 354314, 2386409, 4772818, 40568953, 81137906]

約数ペア:

[(1, 81137906), (2, 40568953), (17, 4772818), (34, 2386409), (229, 354314), (289, 280754), (458, 177157), (578, 140377), (613, 132362), (1226, 66181), (3893, 20842), (7786, 10421)]