1315985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 1752192

約数和(自身を除く): 436207

約数列:

[1, 5, 11, 55, 71, 337, 355, 781, 1685, 3707, 3905, 18535, 23927, 119635, 263197, 1315985]

約数ペア:

[(1, 1315985), (5, 263197), (11, 119635), (55, 23927), (71, 18535), (337, 3905), (355, 3707), (781, 1685)]