128538293

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 141012480

約数和(自身を除く): 12474187

約数列:

[1, 13, 79, 257, 487, 1027, 3341, 6331, 20303, 38473, 125159, 263939, 500149, 1627067, 9887561, 128538293]

約数ペア:

[(1, 128538293), (13, 9887561), (79, 1627067), (257, 500149), (487, 263939), (1027, 125159), (3341, 38473), (6331, 20303)]