198858265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{16831}}^1$

素因数の和:16992

約数の個数: 16

約数和(自身を含む): 254499840

約数和(自身を除く): 55641575

約数列:

[1, 5, 17, 85, 139, 695, 2363, 11815, 16831, 84155, 286127, 1430635, 2339509, 11697545, 39771653, 198858265]

約数ペア:

[(1, 198858265), (5, 39771653), (17, 11697545), (85, 2339509), (139, 1430635), (695, 286127), (2363, 84155), (11815, 16831)]