638077

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 16

約数和(自身を含む): 760320

約数和(自身を除く): 122243

約数列:

[1, 11, 19, 43, 71, 209, 473, 781, 817, 1349, 3053, 8987, 14839, 33583, 58007, 638077]

約数ペア:

[(1, 638077), (11, 58007), (19, 33583), (43, 14839), (71, 8987), (209, 3053), (473, 1349), (781, 817)]