81120812

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 144497136

約数和(自身を除く): 63376324

約数列:

[1, 2, 4, 73, 146, 292, 353, 706, 787, 1412, 1574, 3148, 25769, 51538, 57451, 103076, 114902, 229804, 277811, 555622, 1111244, 20280203, 40560406, 81120812]

約数ペア:

[(1, 81120812), (2, 40560406), (4, 20280203), (73, 1111244), (146, 555622), (292, 277811), (353, 229804), (706, 114902), (787, 103076), (1412, 57451), (1574, 51538), (3148, 25769)]