217223816

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{140689}}^1$

素因数の和:140888

約数の個数: 16

約数和(自身を含む): 409407900

約数和(自身を除く): 192184084

約数列:

[1, 2, 4, 8, 193, 386, 772, 1544, 140689, 281378, 562756, 1125512, 27152977, 54305954, 108611908, 217223816]

約数ペア:

[(1, 217223816), (2, 108611908), (4, 54305954), (8, 27152977), (193, 1125512), (386, 562756), (772, 281378), (1544, 140689)]