81239126

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{7211}}^1$

素因数の和:7387

約数の個数: 16

約数和(自身を含む): 125661888

約数和(自身を除く): 44422762

約数列:

[1, 2, 43, 86, 131, 262, 5633, 7211, 11266, 14422, 310073, 620146, 944641, 1889282, 40619563, 81239126]

約数ペア:

[(1, 81239126), (2, 40619563), (43, 1889282), (86, 944641), (131, 620146), (262, 310073), (5633, 14422), (7211, 11266)]