81182968

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{235997}}^1$

素因数の和:236046

約数の個数: 16

約数和(自身を含む): 155758680

約数和(自身を除く): 74575712

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 235997, 471994, 943988, 1887976, 10147871, 20295742, 40591484, 81182968]

約数ペア:

[(1, 81182968), (2, 40591484), (4, 20295742), (8, 10147871), (43, 1887976), (86, 943988), (172, 471994), (344, 235997)]