55720126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2200

約数の個数: 32

約数和(自身を含む): 104832000

約数和(自身を除く): 49111874

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 181, 362, 1267, 1991, 1999, 2534, 3982, 3998, 13937, 13993, 21989, 27874, 27986, 43978, 153923, 307846, 361819, 723638, 2532733, 3980009, 5065466, 7960018, 27860063, 55720126]

約数ペア:

[(1, 55720126), (2, 27860063), (7, 7960018), (11, 5065466), (14, 3980009), (22, 2532733), (77, 723638), (154, 361819), (181, 307846), (362, 153923), (1267, 43978), (1991, 27986), (1999, 27874), (2534, 21989), (3982, 13993), (3998, 13937)]