239988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 640192

約数和(自身を除く): 400204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2857, 5714, 8571, 11428, 17142, 19999, 34284, 39998, 59997, 79996, 119994, 239988]

約数ペア:

[(1, 239988), (2, 119994), (3, 79996), (4, 59997), (6, 39998), (7, 34284), (12, 19999), (14, 17142), (21, 11428), (28, 8571), (42, 5714), (84, 2857)]