287856

素因数分解:

$2^4\times 3^2\times {\mathrm{1999}}^1$

素因数の和:2013

約数の個数: 30

約数和(自身を含む): 806000

約数和(自身を除く): 518144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1999, 3998, 5997, 7996, 11994, 15992, 17991, 23988, 31984, 35982, 47976, 71964, 95952, 143928, 287856]

約数ペア:

[(1, 287856), (2, 143928), (3, 95952), (4, 71964), (6, 47976), (8, 35982), (9, 31984), (12, 23988), (16, 17991), (18, 15992), (24, 11994), (36, 7996), (48, 5997), (72, 3998), (144, 1999)]