879564884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19990111}}^1$

素因数の和:19990126

約数の個数: 12

約数和(自身を含む): 1679169408

約数和(自身を除く): 799604524

約数列:

[1, 2, 4, 11, 22, 44, 19990111, 39980222, 79960444, 219891221, 439782442, 879564884]

約数ペア:

[(1, 879564884), (2, 439782442), (4, 219891221), (11, 79960444), (22, 39980222), (44, 19990111)]