28005876

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1559}}^1$

素因数の和:2068

約数の個数: 36

約数和(自身を含む): 70980000

約数和(自身を除く): 42974124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1497, 1559, 1996, 2994, 3118, 4491, 4677, 5988, 6236, 8982, 9354, 14031, 17964, 18708, 28062, 56124, 777941, 1555882, 2333823, 3111764, 4667646, 7001469, 9335292, 14002938, 28005876]

約数ペア:

[(1, 28005876), (2, 14002938), (3, 9335292), (4, 7001469), (6, 4667646), (9, 3111764), (12, 2333823), (18, 1555882), (36, 777941), (499, 56124), (998, 28062), (1497, 18708), (1559, 17964), (1996, 14031), (2994, 9354), (3118, 8982), (4491, 6236), (4677, 5988)]