18112171

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 22906368

約数和(自身を除く): 4794197

約数列:

[1, 7, 11, 71, 77, 497, 781, 3313, 5467, 23191, 36443, 235223, 255101, 1646561, 2587453, 18112171]

約数ペア:

[(1, 18112171), (7, 2587453), (11, 1646561), (71, 255101), (77, 235223), (497, 36443), (781, 23191), (3313, 5467)]