25721998

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 39639600

約数和(自身を除く): 13917602

約数列:

[1, 2, 43, 86, 349, 698, 857, 1714, 15007, 30014, 36851, 73702, 299093, 598186, 12860999, 25721998]

約数ペア:

[(1, 25721998), (2, 12860999), (43, 598186), (86, 299093), (349, 73702), (698, 36851), (857, 30014), (1714, 15007)]