209070718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{77491}}^1$

素因数の和:77583

約数の個数: 16

約数和(自身を含む): 334765440

約数和(自身を除く): 125694722

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 77491, 154982, 1472329, 2944658, 5501861, 11003722, 104535359, 209070718]

約数ペア:

[(1, 209070718), (2, 104535359), (19, 11003722), (38, 5501861), (71, 2944658), (142, 1472329), (1349, 154982), (2698, 77491)]