128568223

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{2063}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 152570880

約数和(自身を除く): 24002657

約数列:

[1, 7, 29, 203, 307, 2063, 2149, 8903, 14441, 59827, 62321, 418789, 633341, 4433387, 18366889, 128568223]

約数ペア:

[(1, 128568223), (7, 18366889), (29, 4433387), (203, 633341), (307, 418789), (2063, 62321), (2149, 59827), (8903, 14441)]