2520287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 3193344

約数和(自身を除く): 673057

約数列:

[1, 7, 11, 71, 77, 461, 497, 781, 3227, 5071, 5467, 32731, 35497, 229117, 360041, 2520287]

約数ペア:

[(1, 2520287), (7, 360041), (11, 229117), (71, 35497), (77, 32731), (461, 5467), (497, 5071), (781, 3227)]