280984912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1350889}}^1$

素因数の和:1350910

約数の個数: 20

約数和(自身を含む): 586286260

約数和(自身を除く): 305301348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1350889, 2701778, 5403556, 10807112, 17561557, 21614224, 35123114, 70246228, 140492456, 280984912]

約数ペア:

[(1, 280984912), (2, 140492456), (4, 70246228), (8, 35123114), (13, 21614224), (16, 17561557), (26, 10807112), (52, 5403556), (104, 2701778), (208, 1350889)]