208156949

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 289731456

約数和(自身を除く): 81574507

約数列:

[1, 7, 11, 13, 49, 61, 77, 91, 143, 427, 487, 539, 637, 671, 793, 1001, 2989, 3409, 4697, 5357, 5551, 6331, 7007, 8723, 23863, 29707, 32879, 37499, 38857, 44317, 61061, 69641, 207949, 262493, 310219, 326777, 386191, 427427, 487487, 1455643, 2287439, 2703337, 3412409, 4248101, 16012073, 18923359, 29736707, 208156949]

約数ペア:

[(1, 208156949), (7, 29736707), (11, 18923359), (13, 16012073), (49, 4248101), (61, 3412409), (77, 2703337), (91, 2287439), (143, 1455643), (427, 487487), (487, 427427), (539, 386191), (637, 326777), (671, 310219), (793, 262493), (1001, 207949), (2989, 69641), (3409, 61061), (4697, 44317), (5357, 38857), (5551, 37499), (6331, 32879), (7007, 29707), (8723, 23863)]