781330672

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{39929}}^1$

素因数の和:41160

約数の個数: 20

約数和(自身を含む): 1515103920

約数和(自身を除く): 733773248

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 9784, 19568, 39929, 79858, 159716, 319432, 638864, 48833167, 97666334, 195332668, 390665336, 781330672]

約数ペア:

[(1, 781330672), (2, 390665336), (4, 195332668), (8, 97666334), (16, 48833167), (1223, 638864), (2446, 319432), (4892, 159716), (9784, 79858), (19568, 39929)]