138495511

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 183859200

約数和(自身を除く): 45363689

約数列:

[1, 7, 11, 47, 49, 71, 77, 121, 329, 343, 497, 517, 539, 781, 847, 2303, 3337, 3479, 3619, 3773, 5467, 5687, 5929, 8591, 16121, 23359, 24353, 25333, 36707, 38269, 39809, 41503, 60137, 163513, 177331, 256949, 267883, 278663, 403777, 420959, 1144591, 1798643, 1950641, 2826439, 2946713, 12590501, 19785073, 138495511]

約数ペア:

[(1, 138495511), (7, 19785073), (11, 12590501), (47, 2946713), (49, 2826439), (71, 1950641), (77, 1798643), (121, 1144591), (329, 420959), (343, 403777), (497, 278663), (517, 267883), (539, 256949), (781, 177331), (847, 163513), (2303, 60137), (3337, 41503), (3479, 39809), (3619, 38269), (3773, 36707), (5467, 25333), (5687, 24353), (5929, 23359), (8591, 16121)]