81210488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{236077}}^1$

素因数の和:236126

約数の個数: 16

約数和(自身を含む): 155811480

約数和(自身を除く): 74600992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 236077, 472154, 944308, 1888616, 10151311, 20302622, 40605244, 81210488]

約数ペア:

[(1, 81210488), (2, 40605244), (4, 20302622), (8, 10151311), (43, 1888616), (86, 944308), (172, 472154), (344, 236077)]