128465281

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{6091}}^1$

素因数の和:6252

約数の個数: 16

約数和(自身を含む): 154395648

約数和(自身を除く): 25930367

約数列:

[1, 7, 23, 131, 161, 917, 3013, 6091, 21091, 42637, 140093, 797921, 980651, 5585447, 18352183, 128465281]

約数ペア:

[(1, 128465281), (7, 18352183), (23, 5585447), (131, 980651), (161, 797921), (917, 140093), (3013, 42637), (6091, 21091)]