28438195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 36380448

約数和(自身を除く): 7942253

約数列:

[1, 5, 17, 85, 157, 785, 2131, 2669, 10655, 13345, 36227, 181135, 334567, 1672835, 5687639, 28438195]

約数ペア:

[(1, 28438195), (5, 5687639), (17, 1672835), (85, 334567), (157, 181135), (785, 36227), (2131, 13345), (2669, 10655)]