388369718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{8831}}^1$

素因数の和:10843

約数の個数: 16

約数和(自身を含む): 635904000

約数和(自身を除く): 247534282

約数列:

[1, 2, 11, 22, 1999, 3998, 8831, 17662, 21989, 43978, 97141, 194282, 17653169, 35306338, 194184859, 388369718]

約数ペア:

[(1, 388369718), (2, 194184859), (11, 35306338), (22, 17653169), (1999, 194282), (3998, 97141), (8831, 43978), (17662, 21989)]