678777748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{670729}}^1$

素因数の和:670767

約数の個数: 24

約数和(自身を含む): 1352191680

約数和(自身を除く): 673413932

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 670729, 1341458, 2682916, 7378019, 14756038, 15426767, 29512076, 30853534, 61707068, 169694437, 339388874, 678777748]

約数ペア:

[(1, 678777748), (2, 339388874), (4, 169694437), (11, 61707068), (22, 30853534), (23, 29512076), (44, 15426767), (46, 14756038), (92, 7378019), (253, 2682916), (506, 1341458), (1012, 670729)]