2678557

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 3244032

約数和(自身を除く): 565475

約数列:

[1, 7, 23, 127, 131, 161, 889, 917, 2921, 3013, 16637, 20447, 21091, 116459, 382651, 2678557]

約数ペア:

[(1, 2678557), (7, 382651), (23, 116459), (127, 21091), (131, 20447), (161, 16637), (889, 3013), (917, 2921)]