81047978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{1871}}^1$

素因数の和:2074

約数の個数: 24

約数和(自身を含む): 134447040

約数和(自身を除く): 53399062

約数列:

[1, 2, 11, 22, 121, 179, 242, 358, 1871, 1969, 3742, 3938, 20581, 21659, 41162, 43318, 226391, 334909, 452782, 669818, 3683999, 7367998, 40523989, 81047978]

約数ペア:

[(1, 81047978), (2, 40523989), (11, 7367998), (22, 3683999), (121, 669818), (179, 452782), (242, 334909), (358, 226391), (1871, 43318), (1969, 41162), (3742, 21659), (3938, 20581)]