198710365

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 289695744

約数和(自身を除く): 90985379

約数列:

[1, 5, 7, 17, 35, 85, 119, 337, 595, 991, 1685, 2359, 4955, 5729, 6937, 11795, 16847, 28645, 34685, 40103, 84235, 117929, 200515, 333967, 589645, 1669835, 2337769, 5677439, 11688845, 28387195, 39742073, 198710365]

約数ペア:

[(1, 198710365), (5, 39742073), (7, 28387195), (17, 11688845), (35, 5677439), (85, 2337769), (119, 1669835), (337, 589645), (595, 333967), (991, 200515), (1685, 117929), (2359, 84235), (4955, 40103), (5729, 34685), (6937, 28645), (11795, 16847)]