128261168

素因数分解:

$2^4\times 7^1\times {\mathrm{1145189}}^1$

素因数の和:1145204

約数の個数: 20

約数和(自身を含む): 284007120

約数和(自身を除く): 155745952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1145189, 2290378, 4580756, 8016323, 9161512, 16032646, 18323024, 32065292, 64130584, 128261168]

約数ペア:

[(1, 128261168), (2, 64130584), (4, 32065292), (7, 18323024), (8, 16032646), (14, 9161512), (16, 8016323), (28, 4580756), (56, 2290378), (112, 1145189)]