128391746

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223679}}^1$

素因数の和:223729

約数の個数: 16

約数和(自身を含む): 225469440

約数和(自身を除く): 97077694

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 223679, 447358, 1565753, 3131506, 9170839, 18341678, 64195873, 128391746]

約数ペア:

[(1, 128391746), (2, 64195873), (7, 18341678), (14, 9170839), (41, 3131506), (82, 1565753), (287, 447358), (574, 223679)]