1279518548

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{58511}}^1$

素因数の和:58604

約数の個数: 48

約数和(自身を含む): 2831044608

約数和(自身を除く): 1551526060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10934, 21868, 58511, 117022, 234044, 409577, 643621, 819154, 1287242, 1638308, 2574484, 4154281, 4505347, 8308562, 9010694, 16617124, 18021388, 29079967, 45697091, 58159934, 91394182, 116319868, 182788364, 319879637, 639759274, 1279518548]

約数ペア:

[(1, 1279518548), (2, 639759274), (4, 319879637), (7, 182788364), (11, 116319868), (14, 91394182), (22, 58159934), (28, 45697091), (44, 29079967), (71, 18021388), (77, 16617124), (142, 9010694), (154, 8308562), (284, 4505347), (308, 4154281), (497, 2574484), (781, 1638308), (994, 1287242), (1562, 819154), (1988, 643621), (3124, 409577), (5467, 234044), (10934, 117022), (21868, 58511)]