278306

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 16

約数和(自身を含む): 484224

約数和(自身を除く): 205918

約数列:

[1, 2, 7, 14, 103, 193, 206, 386, 721, 1351, 1442, 2702, 19879, 39758, 139153, 278306]

約数ペア:

[(1, 278306), (2, 139153), (7, 39758), (14, 19879), (103, 2702), (193, 1442), (206, 1351), (386, 721)]