81242195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 109166400

約数和(自身を除く): 27924205

約数列:

[1, 5, 19, 29, 37, 95, 145, 185, 551, 703, 797, 1073, 2755, 3515, 3985, 5365, 15143, 20387, 23113, 29489, 75715, 101935, 115565, 147445, 439147, 560291, 855181, 2195735, 2801455, 4275905, 16248439, 81242195]

約数ペア:

[(1, 81242195), (5, 16248439), (19, 4275905), (29, 2801455), (37, 2195735), (95, 855181), (145, 560291), (185, 439147), (551, 147445), (703, 115565), (797, 101935), (1073, 75715), (2755, 29489), (3515, 23113), (3985, 20387), (5365, 15143)]