678713068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{78301}}^1$

素因数の和:78513

約数の個数: 24

約数和(自身を含む): 1302318864

約数和(自身を除く): 623605796

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 78301, 156602, 313204, 861311, 1722622, 3445244, 15425297, 30850594, 61701188, 169678267, 339356534, 678713068]

約数ペア:

[(1, 678713068), (2, 339356534), (4, 169678267), (11, 61701188), (22, 30850594), (44, 15425297), (197, 3445244), (394, 1722622), (788, 861311), (2167, 313204), (4334, 156602), (8668, 78301)]