2149228315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1945003}}^1$

素因数の和:1945038

約数の個数: 16

約数和(自身を含む): 2940846048

約数和(自身を除く): 791617733

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1945003, 9725015, 25285039, 33065051, 126425195, 165325255, 429845663, 2149228315]

約数ペア:

[(1, 2149228315), (5, 429845663), (13, 165325255), (17, 126425195), (65, 33065051), (85, 25285039), (221, 9725015), (1105, 1945003)]