27889628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12473}}^1$

素因数の和:12533

約数の個数: 24

約数和(自身を含む): 53787888

約数和(自身を除く): 25898260

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12473, 24946, 49892, 162149, 324298, 536339, 648596, 1072678, 2145356, 6972407, 13944814, 27889628]

約数ペア:

[(1, 27889628), (2, 13944814), (4, 6972407), (13, 2145356), (26, 1072678), (43, 648596), (52, 536339), (86, 324298), (172, 162149), (559, 49892), (1118, 24946), (2236, 12473)]