78881168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{214351}}^1$

素因数の和:214382

約数の個数: 20

約数和(自身を含む): 159477888

約数和(自身を除く): 80596720

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 214351, 428702, 857404, 1714808, 3429616, 4930073, 9860146, 19720292, 39440584, 78881168]

約数ペア:

[(1, 78881168), (2, 39440584), (4, 19720292), (8, 9860146), (16, 4930073), (23, 3429616), (46, 1714808), (92, 857404), (184, 428702), (368, 214351)]