28542704

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21493}}^1$

素因数の和:21584

約数の個数: 20

約数和(自身を含む): 55970376

約数和(自身を除く): 27427672

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21493, 42986, 85972, 171944, 343888, 1783919, 3567838, 7135676, 14271352, 28542704]

約数ペア:

[(1, 28542704), (2, 14271352), (4, 7135676), (8, 3567838), (16, 1783919), (83, 343888), (166, 171944), (332, 85972), (664, 42986), (1328, 21493)]