2218217491

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{4057}}^1\times {\mathrm{4111}}^1$

素因数の和:8194

約数の個数: 16

約数和(自身を含む): 2669839360

約数和(自身を除く): 451621869

約数列:

[1, 7, 19, 133, 4057, 4111, 28399, 28777, 77083, 78109, 539581, 546763, 16678327, 116748289, 316888213, 2218217491]

約数ペア:

[(1, 2218217491), (7, 316888213), (19, 116748289), (133, 16678327), (4057, 546763), (4111, 539581), (28399, 78109), (28777, 77083)]