138713410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17761}}^1$

素因数の和:17850

約数の個数: 32

約数和(自身を含む): 276234624

約数和(自身を除く): 137521214

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 17761, 35522, 88805, 177610, 195371, 390742, 976855, 1261031, 1953710, 2522062, 6305155, 12610310, 13871341, 27742682, 69356705, 138713410]

約数ペア:

[(1, 138713410), (2, 69356705), (5, 27742682), (10, 13871341), (11, 12610310), (22, 6305155), (55, 2522062), (71, 1953710), (110, 1261031), (142, 976855), (355, 390742), (710, 195371), (781, 177610), (1562, 88805), (3905, 35522), (7810, 17761)]