2400013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 3041280

約数和(自身を除く): 641267

約数列:

[1, 7, 11, 71, 77, 439, 497, 781, 3073, 4829, 5467, 31169, 33803, 218183, 342859, 2400013]

約数ペア:

[(1, 2400013), (7, 342859), (11, 218183), (71, 33803), (77, 31169), (439, 5467), (497, 4829), (781, 3073)]