266209748

素因数分解:

$2^2\times 7^2\times {\mathrm{1358213}}^1$

素因数の和:1358231

約数の個数: 18

約数和(自身を含む): 541927386

約数和(自身を除く): 275717638

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1358213, 2716426, 5432852, 9507491, 19014982, 38029964, 66552437, 133104874, 266209748]

約数ペア:

[(1, 266209748), (2, 133104874), (4, 66552437), (7, 38029964), (14, 19014982), (28, 9507491), (49, 5432852), (98, 2716426), (196, 1358213)]