28157393

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 32182272

約数和(自身を除く): 4024879

約数列:

[1, 11, 31, 71, 341, 781, 1163, 2201, 12793, 24211, 36053, 82573, 396583, 908303, 2559763, 28157393]

約数ペア:

[(1, 28157393), (11, 2559763), (31, 908303), (71, 396583), (341, 82573), (781, 36053), (1163, 24211), (2201, 12793)]