209460295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{53639}}^1$

素因数の和:53726

約数の個数: 16

約数和(自身を含む): 278069760

約数和(自身を除く): 68609465

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 53639, 268195, 590029, 2950145, 3808369, 19041845, 41892059, 209460295]

約数ペア:

[(1, 209460295), (5, 41892059), (11, 19041845), (55, 3808369), (71, 2950145), (355, 590029), (781, 268195), (3905, 53639)]