16904461

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 20585664

約数和(自身を除く): 3681203

約数列:

[1, 7, 43, 49, 71, 113, 301, 497, 791, 2107, 3053, 3479, 4859, 5537, 8023, 21371, 34013, 56161, 149597, 238091, 344989, 393127, 2414923, 16904461]

約数ペア:

[(1, 16904461), (7, 2414923), (43, 393127), (49, 344989), (71, 238091), (113, 149597), (301, 56161), (497, 34013), (791, 21371), (2107, 8023), (3053, 5537), (3479, 4859)]