128499217

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{21673}}^1$

素因数の和:21709

約数の個数: 18

約数和(自身を含む): 164310594

約数和(自身を除く): 35811377

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 21673, 151711, 238403, 1061977, 1668821, 2622433, 11681747, 18357031, 128499217]

約数ペア:

[(1, 128499217), (7, 18357031), (11, 11681747), (49, 2622433), (77, 1668821), (121, 1061977), (539, 238403), (847, 151711), (5929, 21673)]