86988484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 177408000

約数和(自身を除く): 90419516

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 473, 506, 946, 989, 1012, 1892, 1978, 1999, 3956, 3998, 7996, 10879, 21758, 21989, 43516, 43978, 45977, 85957, 87956, 91954, 171914, 183908, 343828, 505747, 945527, 1011494, 1891054, 1977011, 2022988, 3782108, 3954022, 7908044, 21747121, 43494242, 86988484]

約数ペア:

[(1, 86988484), (2, 43494242), (4, 21747121), (11, 7908044), (22, 3954022), (23, 3782108), (43, 2022988), (44, 1977011), (46, 1891054), (86, 1011494), (92, 945527), (172, 505747), (253, 343828), (473, 183908), (506, 171914), (946, 91954), (989, 87956), (1012, 85957), (1892, 45977), (1978, 43978), (1999, 43516), (3956, 21989), (3998, 21758), (7996, 10879)]