78777286

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{330997}}^1$

素因数の和:331023

約数の個数: 16

約数和(自身を含む): 142991136

約数和(自身を除く): 64213850

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 330997, 661994, 2316979, 4633958, 5626949, 11253898, 39388643, 78777286]

約数ペア:

[(1, 78777286), (2, 39388643), (7, 11253898), (14, 5626949), (17, 4633958), (34, 2316979), (119, 661994), (238, 330997)]