28327628

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43987}}^1$

素因数の和:44021

約数の個数: 24

約数和(自身を含む): 59119872

約数和(自身を除く): 30792244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 43987, 87974, 175948, 307909, 615818, 1011701, 1231636, 2023402, 4046804, 7081907, 14163814, 28327628]

約数ペア:

[(1, 28327628), (2, 14163814), (4, 7081907), (7, 4046804), (14, 2023402), (23, 1231636), (28, 1011701), (46, 615818), (92, 307909), (161, 175948), (322, 87974), (644, 43987)]