81161872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{461147}}^1$

素因数の和:461166

約数の個数: 20

約数和(自身を含む): 171547056

約数和(自身を除く): 90385184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 461147, 922294, 1844588, 3689176, 5072617, 7378352, 10145234, 20290468, 40580936, 81161872]

約数ペア:

[(1, 81161872), (2, 40580936), (4, 20290468), (8, 10145234), (11, 7378352), (16, 5072617), (22, 3689176), (44, 1844588), (88, 922294), (176, 461147)]