199803791

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 232792560

約数和(自身を除く): 32988769

約数列:

[1, 11, 19, 121, 209, 233, 373, 2299, 2563, 4103, 4427, 7087, 28193, 45133, 48697, 77957, 86909, 535667, 857527, 955999, 1651271, 10515989, 18163981, 199803791]

約数ペア:

[(1, 199803791), (11, 18163981), (19, 10515989), (121, 1651271), (209, 955999), (233, 857527), (373, 535667), (2299, 86909), (2563, 77957), (4103, 48697), (4427, 45133), (7087, 28193)]