71998619

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 97804800

約数和(自身を除く): 25806181

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 551, 1463, 1697, 2233, 3857, 6061, 11879, 18667, 32243, 42427, 49213, 130669, 225701, 344491, 354673, 541343, 935047, 2482711, 3789401, 6545329, 10285517, 71998619]

約数ペア:

[(1, 71998619), (7, 10285517), (11, 6545329), (19, 3789401), (29, 2482711), (77, 935047), (133, 541343), (203, 354673), (209, 344491), (319, 225701), (551, 130669), (1463, 49213), (1697, 42427), (2233, 32243), (3857, 18667), (6061, 11879)]