39975485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 55054080

約数和(自身を除く): 15078595

約数列:

[1, 5, 11, 29, 55, 71, 145, 319, 353, 355, 781, 1595, 1765, 2059, 3883, 3905, 10237, 10295, 19415, 22649, 25063, 51185, 112607, 113245, 125315, 275693, 563035, 726827, 1378465, 3634135, 7995097, 39975485]

約数ペア:

[(1, 39975485), (5, 7995097), (11, 3634135), (29, 1378465), (55, 726827), (71, 563035), (145, 275693), (319, 125315), (353, 113245), (355, 112607), (781, 51185), (1595, 25063), (1765, 22649), (2059, 19415), (3883, 10295), (3905, 10237)]