28270638

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2101

約数の個数: 48

約数和(自身を含む): 67796352

約数和(自身を除く): 39525714

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1562, 2011, 2343, 4022, 4686, 6033, 7029, 12066, 14058, 18099, 22121, 36198, 44242, 66363, 132726, 142781, 199089, 285562, 398178, 428343, 856686, 1285029, 1570591, 2570058, 3141182, 4711773, 9423546, 14135319, 28270638]

約数ペア:

[(1, 28270638), (2, 14135319), (3, 9423546), (6, 4711773), (9, 3141182), (11, 2570058), (18, 1570591), (22, 1285029), (33, 856686), (66, 428343), (71, 398178), (99, 285562), (142, 199089), (198, 142781), (213, 132726), (426, 66363), (639, 44242), (781, 36198), (1278, 22121), (1562, 18099), (2011, 14058), (2343, 12066), (4022, 7029), (4686, 6033)]