1231384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 2880000

約数和(自身を除く): 1648616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1999, 3998, 7996, 13993, 15992, 21989, 27986, 43978, 55972, 87956, 111944, 153923, 175912, 307846, 615692, 1231384]

約数ペア:

[(1, 1231384), (2, 615692), (4, 307846), (7, 175912), (8, 153923), (11, 111944), (14, 87956), (22, 55972), (28, 43978), (44, 27986), (56, 21989), (77, 15992), (88, 13993), (154, 7996), (308, 3998), (616, 1999)]