28700366890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220772053}}^1$

素因数の和:220772073

約数の個数: 16

約数和(自身を含む): 55634557608

約数和(自身を除く): 26934190718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220772053, 441544106, 1103860265, 2207720530, 2870036689, 5740073378, 14350183445, 28700366890]

約数ペア:

[(1, 28700366890), (2, 14350183445), (5, 5740073378), (10, 2870036689), (13, 2207720530), (26, 1103860265), (65, 441544106), (130, 220772053)]