263628287

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4153}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 300084960

約数和(自身を除く): 36456673

約数列:

[1, 13, 19, 247, 257, 3341, 4153, 4883, 53989, 63479, 78907, 1025791, 1067321, 13875173, 20279099, 263628287]

約数ペア:

[(1, 263628287), (13, 20279099), (19, 13875173), (247, 1067321), (257, 1025791), (3341, 78907), (4153, 63479), (4883, 53989)]