225918721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{23269}}^1$

素因数の和:23368

約数の個数: 16

約数和(自身を含む): 275516800

約数和(自身を除く): 49598079

約数列:

[1, 7, 19, 73, 133, 511, 1387, 9709, 23269, 162883, 442111, 1698637, 3094777, 11890459, 32274103, 225918721]

約数ペア:

[(1, 225918721), (7, 32274103), (19, 11890459), (73, 3094777), (133, 1698637), (511, 442111), (1387, 162883), (9709, 23269)]