81217876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{3889}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 149002560

約数和(自身を除く): 67784684

約数列:

[1, 2, 4, 23, 46, 92, 227, 454, 908, 3889, 5221, 7778, 10442, 15556, 20884, 89447, 178894, 357788, 882803, 1765606, 3531212, 20304469, 40608938, 81217876]

約数ペア:

[(1, 81217876), (2, 40608938), (4, 20304469), (23, 3531212), (46, 1765606), (92, 882803), (227, 357788), (454, 178894), (908, 89447), (3889, 20884), (5221, 15556), (7778, 10442)]