1280451193

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{30707}}^1$

素因数の和:30781

約数の個数: 24

約数和(自身を含む): 1596324672

約数和(自身を除く): 315873479

約数列:

[1, 7, 23, 37, 49, 161, 259, 851, 1127, 1813, 5957, 30707, 41699, 214949, 706261, 1136159, 1504643, 4943827, 7953113, 26131657, 34606789, 55671791, 182921599, 1280451193]

約数ペア:

[(1, 1280451193), (7, 182921599), (23, 55671791), (37, 34606789), (49, 26131657), (161, 7953113), (259, 4943827), (851, 1504643), (1127, 1136159), (1813, 706261), (5957, 214949), (30707, 41699)]