89893390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{82471}}^1$

素因数の和:82587

約数の個数: 16

約数和(自身を含む): 163294560

約数和(自身を除く): 73401170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 82471, 164942, 412355, 824710, 8989339, 17978678, 44946695, 89893390]

約数ペア:

[(1, 89893390), (2, 44946695), (5, 17978678), (10, 8989339), (109, 824710), (218, 412355), (545, 164942), (1090, 82471)]