2181230401

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 2654226432

約数和(自身を除く): 472996031

約数列:

[1, 7, 31, 37, 217, 259, 317, 857, 1147, 2219, 5999, 8029, 9827, 11729, 26567, 31709, 68789, 82103, 185969, 221963, 271669, 363599, 982979, 1901683, 2545193, 6880853, 8421739, 10051753, 58952173, 70362271, 311604343, 2181230401]

約数ペア:

[(1, 2181230401), (7, 311604343), (31, 70362271), (37, 58952173), (217, 10051753), (259, 8421739), (317, 6880853), (857, 2545193), (1147, 1901683), (2219, 982979), (5999, 363599), (8029, 271669), (9827, 221963), (11729, 185969), (26567, 82103), (31709, 68789)]