85121128

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{42391}}^1$

素因数の和:42648

約数の個数: 16

約数和(自身を含む): 160241760

約数和(自身を除く): 75120632

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 42391, 84782, 169564, 339128, 10640141, 21280282, 42560564, 85121128]

約数ペア:

[(1, 85121128), (2, 42560564), (4, 21280282), (8, 10640141), (251, 339128), (502, 169564), (1004, 84782), (2008, 42391)]