6990815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 9114336

約数和(自身を除く): 2123521

約数列:

[1, 5, 13, 65, 131, 655, 821, 1703, 4105, 8515, 10673, 53365, 107551, 537755, 1398163, 6990815]

約数ペア:

[(1, 6990815), (5, 1398163), (13, 537755), (65, 107551), (131, 53365), (655, 10673), (821, 8515), (1703, 4105)]