2028257

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2659392

約数和(自身を除く): 631135

約数列:

[1, 7, 11, 49, 53, 71, 77, 371, 497, 539, 583, 781, 2597, 3479, 3763, 4081, 5467, 26341, 28567, 38269, 41393, 184387, 289751, 2028257]

約数ペア:

[(1, 2028257), (7, 289751), (11, 184387), (49, 41393), (53, 38269), (71, 28567), (77, 26341), (371, 5467), (497, 4081), (539, 3763), (583, 3479), (781, 2597)]