393668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 786240

約数和(自身を除く): 392572

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 389, 506, 778, 1012, 1556, 4279, 8558, 8947, 17116, 17894, 35788, 98417, 196834, 393668]

約数ペア:

[(1, 393668), (2, 196834), (4, 98417), (11, 35788), (22, 17894), (23, 17116), (44, 8947), (46, 8558), (92, 4279), (253, 1556), (389, 1012), (506, 778)]