205653778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{19763}}^1$

素因数の和:19830

約数の個数: 24

約数和(自身を含む): 346976784

約数和(自身を除く): 141323006

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 19763, 39526, 217393, 434786, 849809, 1699618, 2391323, 4782646, 9347899, 18695798, 102826889, 205653778]

約数ペア:

[(1, 205653778), (2, 102826889), (11, 18695798), (22, 9347899), (43, 4782646), (86, 2391323), (121, 1699618), (242, 849809), (473, 434786), (946, 217393), (5203, 39526), (10406, 19763)]