81378502

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{1579}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 124169040

約数和(自身を除く): 42790538

約数列:

[1, 2, 73, 146, 353, 706, 1579, 3158, 25769, 51538, 115267, 230534, 557387, 1114774, 40689251, 81378502]

約数ペア:

[(1, 81378502), (2, 40689251), (73, 1114774), (146, 557387), (353, 230534), (706, 115267), (1579, 51538), (3158, 25769)]