28448706

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 67931136

約数和(自身を除く): 39482430

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 467, 781, 858, 923, 934, 1401, 1562, 1846, 2343, 2769, 2802, 4686, 5137, 5538, 6071, 10153, 10274, 12142, 15411, 18213, 20306, 30459, 30822, 33157, 36426, 60918, 66314, 66781, 99471, 133562, 198942, 200343, 364727, 400686, 431041, 729454, 862082, 1094181, 1293123, 2188362, 2586246, 4741451, 9482902, 14224353, 28448706]

約数ペア:

[(1, 28448706), (2, 14224353), (3, 9482902), (6, 4741451), (11, 2586246), (13, 2188362), (22, 1293123), (26, 1094181), (33, 862082), (39, 729454), (66, 431041), (71, 400686), (78, 364727), (142, 200343), (143, 198942), (213, 133562), (286, 99471), (426, 66781), (429, 66314), (467, 60918), (781, 36426), (858, 33157), (923, 30822), (934, 30459), (1401, 20306), (1562, 18213), (1846, 15411), (2343, 12142), (2769, 10274), (2802, 10153), (4686, 6071), (5137, 5538)]