393764777725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{72211}}^1$

素因数の和:72562

約数の個数: 48

約数和(自身を含む): 541555338240

約数和(自身を除く): 147790560515

約数列:

[1, 5, 11, 25, 55, 79, 251, 275, 395, 869, 1255, 1975, 2761, 4345, 6275, 13805, 19829, 21725, 69025, 72211, 99145, 218119, 361055, 495725, 794321, 1090595, 1805275, 3971605, 5452975, 5704669, 18124961, 19858025, 28523345, 62751359, 90624805, 142616725, 199374571, 313756795, 453124025, 996872855, 1431871919, 1568783975, 4984364275, 7159359595, 15750591109, 35796797975, 78752955545, 393764777725]

約数ペア:

[(1, 393764777725), (5, 78752955545), (11, 35796797975), (25, 15750591109), (55, 7159359595), (79, 4984364275), (251, 1568783975), (275, 1431871919), (395, 996872855), (869, 453124025), (1255, 313756795), (1975, 199374571), (2761, 142616725), (4345, 90624805), (6275, 62751359), (13805, 28523345), (19829, 19858025), (21725, 18124961), (69025, 5704669), (72211, 5452975), (99145, 3971605), (218119, 1805275), (361055, 1090595), (495725, 794321)]