2720417

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 3309312

約数和(自身を除く): 588895

約数列:

[1, 7, 23, 61, 161, 277, 427, 1403, 1939, 6371, 9821, 16897, 44597, 118279, 388631, 2720417]

約数ペア:

[(1, 2720417), (7, 388631), (23, 118279), (61, 44597), (161, 16897), (277, 9821), (427, 6371), (1403, 1939)]