28996187

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 3434917

約数列:

[1, 11, 71, 137, 271, 781, 1507, 2981, 9727, 19241, 37127, 106997, 211651, 408397, 2636017, 28996187]

約数ペア:

[(1, 28996187), (11, 2636017), (71, 408397), (137, 211651), (271, 106997), (781, 37127), (1507, 19241), (2981, 9727)]