87911221

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 94887936

約数和(自身を除く): 6976715

約数列:

[1, 23, 43, 103, 863, 989, 2369, 4429, 19849, 37109, 88889, 101867, 853507, 2044447, 3822227, 87911221]

約数ペア:

[(1, 87911221), (23, 3822227), (43, 2044447), (103, 853507), (863, 101867), (989, 88889), (2369, 37109), (4429, 19849)]