223552168

素因数分解:

$2^3\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{1999}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 479520000

約数和(自身を除く): 255967832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1997, 1999, 3994, 3998, 7988, 7996, 13979, 13993, 15976, 15992, 27958, 27986, 55916, 55972, 111832, 111944, 3992003, 7984006, 15968012, 27944021, 31936024, 55888042, 111776084, 223552168]

約数ペア:

[(1, 223552168), (2, 111776084), (4, 55888042), (7, 31936024), (8, 27944021), (14, 15968012), (28, 7984006), (56, 3992003), (1997, 111944), (1999, 111832), (3994, 55972), (3998, 55916), (7988, 27986), (7996, 27958), (13979, 15992), (13993, 15976)]