863568

素因数分解:

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

素因数の和:2016

約数の個数: 40

約数和(自身を含む): 2480000

約数和(自身を除く): 1616432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1999, 3998, 5997, 7996, 11994, 15992, 17991, 23988, 31984, 35982, 47976, 53973, 71964, 95952, 107946, 143928, 215892, 287856, 431784, 863568]

約数ペア:

[(1, 863568), (2, 431784), (3, 287856), (4, 215892), (6, 143928), (8, 107946), (9, 95952), (12, 71964), (16, 53973), (18, 47976), (24, 35982), (27, 31984), (36, 23988), (48, 17991), (54, 15992), (72, 11994), (108, 7996), (144, 5997), (216, 3998), (432, 1999)]