278317282

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{385481}}^1$

素因数の和:385521

約数の個数: 12

約数和(自身を含む): 440605926

約数和(自身を除く): 162288644

約数列:

[1, 2, 19, 38, 361, 722, 385481, 770962, 7324139, 14648278, 139158641, 278317282]

約数ペア:

[(1, 278317282), (2, 139158641), (19, 14648278), (38, 7324139), (361, 770962), (722, 385481)]