42138968

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{122497}}^1$

素因数の和:122546

約数の個数: 16

約数和(自身を含む): 80848680

約数和(自身を除く): 38709712

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 122497, 244994, 489988, 979976, 5267371, 10534742, 21069484, 42138968]

約数ペア:

[(1, 42138968), (2, 21069484), (4, 10534742), (8, 5267371), (43, 979976), (86, 489988), (172, 244994), (344, 122497)]