127968002

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{421}}^2$

素因数の和:882

約数の個数: 18

約数和(自身を含む): 203068809

約数和(自身を除く): 75100807

約数列:

[1, 2, 19, 38, 361, 421, 722, 842, 7999, 15998, 151981, 177241, 303962, 354482, 3367579, 6735158, 63984001, 127968002]

約数ペア:

[(1, 127968002), (2, 63984001), (19, 6735158), (38, 3367579), (361, 354482), (421, 303962), (722, 177241), (842, 151981), (7999, 15998)]