869804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 1681680

約数和(自身を除く): 811876

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 389, 559, 778, 1118, 1556, 2236, 5057, 10114, 16727, 20228, 33454, 66908, 217451, 434902, 869804]

約数ペア:

[(1, 869804), (2, 434902), (4, 217451), (13, 66908), (26, 33454), (43, 20228), (52, 16727), (86, 10114), (172, 5057), (389, 2236), (559, 1556), (778, 1118)]