28466172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 87639552

約数和(自身を除く): 59173380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 43, 63, 71, 74, 84, 86, 111, 126, 129, 142, 148, 172, 213, 222, 252, 258, 259, 284, 301, 333, 387, 426, 444, 497, 516, 518, 602, 639, 666, 774, 777, 852, 903, 994, 1036, 1204, 1278, 1332, 1491, 1548, 1554, 1591, 1806, 1988, 2331, 2556, 2627, 2709, 2982, 3053, 3108, 3182, 3612, 4473, 4662, 4773, 5254, 5418, 5964, 6106, 6364, 7881, 8946, 9159, 9324, 9546, 10508, 10836, 11137, 12212, 14319, 15762, 17892, 18318, 18389, 19092, 21371, 22274, 23643, 27477, 28638, 31524, 33411, 36636, 36778, 42742, 44548, 47286, 54954, 55167, 57276, 64113, 66822, 73556, 85484, 94572, 100233, 109908, 110334, 112961, 128226, 133644, 165501, 192339, 200466, 220668, 225922, 256452, 331002, 338883, 384678, 400932, 451844, 662004, 677766, 769356, 790727, 1016649, 1355532, 1581454, 2033298, 2372181, 3162908, 4066596, 4744362, 7116543, 9488724, 14233086, 28466172]

約数ペア:

[(1, 28466172), (2, 14233086), (3, 9488724), (4, 7116543), (6, 4744362), (7, 4066596), (9, 3162908), (12, 2372181), (14, 2033298), (18, 1581454), (21, 1355532), (28, 1016649), (36, 790727), (37, 769356), (42, 677766), (43, 662004), (63, 451844), (71, 400932), (74, 384678), (84, 338883), (86, 331002), (111, 256452), (126, 225922), (129, 220668), (142, 200466), (148, 192339), (172, 165501), (213, 133644), (222, 128226), (252, 112961), (258, 110334), (259, 109908), (284, 100233), (301, 94572), (333, 85484), (387, 73556), (426, 66822), (444, 64113), (497, 57276), (516, 55167), (518, 54954), (602, 47286), (639, 44548), (666, 42742), (774, 36778), (777, 36636), (852, 33411), (903, 31524), (994, 28638), (1036, 27477), (1204, 23643), (1278, 22274), (1332, 21371), (1491, 19092), (1548, 18389), (1554, 18318), (1591, 17892), (1806, 15762), (1988, 14319), (2331, 12212), (2556, 11137), (2627, 10836), (2709, 10508), (2982, 9546), (3053, 9324), (3108, 9159), (3182, 8946), (3612, 7881), (4473, 6364), (4662, 6106), (4773, 5964), (5254, 5418)]