31840168

素因数分解:

$2^3\times {\mathrm{1993}}^1\times {\mathrm{1997}}^1$

素因数の和:3996

約数の個数: 16

約数和(自身を含む): 59760180

約数和(自身を除く): 27920012

約数列:

[1, 2, 4, 8, 1993, 1997, 3986, 3994, 7972, 7988, 15944, 15976, 3980021, 7960042, 15920084, 31840168]

約数ペア:

[(1, 31840168), (2, 15920084), (4, 7960042), (8, 3980021), (1993, 15976), (1997, 15944), (3986, 7988), (3994, 7972)]