2216825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 3124800

約数和(自身を除く): 907975

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 359, 475, 1235, 1795, 4667, 6175, 6821, 8975, 23335, 34105, 88673, 116675, 170525, 443365, 2216825]

約数ペア:

[(1, 2216825), (5, 443365), (13, 170525), (19, 116675), (25, 88673), (65, 34105), (95, 23335), (247, 8975), (325, 6821), (359, 6175), (475, 4667), (1235, 1795)]