205386872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{21061}}^1$

素因数の和:21143

約数の個数: 32

約数和(自身を含む): 409445280

約数和(自身を除く): 204058408

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2438, 4876, 9752, 21061, 42122, 84244, 168488, 484403, 968806, 1116233, 1937612, 2232466, 3875224, 4464932, 8929864, 25673359, 51346718, 102693436, 205386872]

約数ペア:

[(1, 205386872), (2, 102693436), (4, 51346718), (8, 25673359), (23, 8929864), (46, 4464932), (53, 3875224), (92, 2232466), (106, 1937612), (184, 1116233), (212, 968806), (424, 484403), (1219, 168488), (2438, 84244), (4876, 42122), (9752, 21061)]