223664

素因数分解:

$2^4\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2012

約数の個数: 20

約数和(自身を含む): 495504

約数和(自身を除く): 271840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1997, 3994, 7988, 13979, 15976, 27958, 31952, 55916, 111832, 223664]

約数ペア:

[(1, 223664), (2, 111832), (4, 55916), (7, 31952), (8, 27958), (14, 15976), (16, 13979), (28, 7988), (56, 3994), (112, 1997)]