1661322481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139361}}^1$

素因数の和:139512

約数の個数: 16

約数和(自身を含む): 2060327808

約数和(自身を除く): 399005327

約数列:

[1, 7, 13, 91, 131, 917, 1703, 11921, 139361, 975527, 1811693, 12681851, 18256291, 127794037, 237331783, 1661322481]

約数ペア:

[(1, 1661322481), (7, 237331783), (13, 127794037), (91, 18256291), (131, 12681851), (917, 1811693), (1703, 975527), (11921, 139361)]