81058864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266641}}^1$

素因数の和:266668

約数の個数: 20

約数和(自身を含む): 165318040

約数和(自身を除く): 84259176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266641, 533282, 1066564, 2133128, 4266256, 5066179, 10132358, 20264716, 40529432, 81058864]

約数ペア:

[(1, 81058864), (2, 40529432), (4, 20264716), (8, 10132358), (16, 5066179), (19, 4266256), (38, 2133128), (76, 1066564), (152, 533282), (304, 266641)]