28754929

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 5307407

約数列:

[1, 7, 47, 71, 329, 497, 1231, 3337, 8617, 23359, 57857, 87401, 404999, 611807, 4107847, 28754929]

約数ペア:

[(1, 28754929), (7, 4107847), (47, 611807), (71, 404999), (329, 87401), (497, 57857), (1231, 23359), (3337, 8617)]