217943164

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{4759}}^1$

素因数の和:4977

約数の個数: 18

約数和(自身を含む): 385079240

約数和(自身を除く): 167136076

約数列:

[1, 2, 4, 107, 214, 428, 4759, 9518, 11449, 19036, 22898, 45796, 509213, 1018426, 2036852, 54485791, 108971582, 217943164]

約数ペア:

[(1, 217943164), (2, 108971582), (4, 54485791), (107, 2036852), (214, 1018426), (428, 509213), (4759, 45796), (9518, 22898), (11449, 19036)]