38320513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^2$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 49803840

約数和(自身を除く): 11483327

約数列:

[1, 7, 11, 29, 77, 131, 203, 319, 917, 1441, 2233, 3799, 10087, 17161, 26593, 41789, 120127, 188771, 292523, 497669, 1321397, 3483683, 5474359, 38320513]

約数ペア:

[(1, 38320513), (7, 5474359), (11, 3483683), (29, 1321397), (77, 497669), (131, 292523), (203, 188771), (319, 120127), (917, 41789), (1441, 26593), (2233, 17161), (3799, 10087)]