28305144

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 91231920

約数和(自身を除く): 62926776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 71, 72, 84, 98, 113, 126, 142, 147, 168, 196, 213, 226, 252, 284, 294, 339, 392, 426, 441, 452, 497, 504, 568, 588, 639, 678, 791, 852, 882, 904, 994, 1017, 1176, 1278, 1356, 1491, 1582, 1704, 1764, 1988, 2034, 2373, 2556, 2712, 2982, 3164, 3479, 3528, 3976, 4068, 4473, 4746, 5112, 5537, 5964, 6328, 6958, 7119, 8023, 8136, 8946, 9492, 10437, 11074, 11928, 13916, 14238, 16046, 16611, 17892, 18984, 20874, 22148, 24069, 27832, 28476, 31311, 32092, 33222, 35784, 41748, 44296, 48138, 49833, 56161, 56952, 62622, 64184, 66444, 72207, 83496, 96276, 99666, 112322, 125244, 132888, 144414, 168483, 192552, 199332, 224644, 250488, 288828, 336966, 393127, 398664, 449288, 505449, 577656, 673932, 786254, 1010898, 1179381, 1347864, 1572508, 2021796, 2358762, 3145016, 3538143, 4043592, 4717524, 7076286, 9435048, 14152572, 28305144]

約数ペア:

[(1, 28305144), (2, 14152572), (3, 9435048), (4, 7076286), (6, 4717524), (7, 4043592), (8, 3538143), (9, 3145016), (12, 2358762), (14, 2021796), (18, 1572508), (21, 1347864), (24, 1179381), (28, 1010898), (36, 786254), (42, 673932), (49, 577656), (56, 505449), (63, 449288), (71, 398664), (72, 393127), (84, 336966), (98, 288828), (113, 250488), (126, 224644), (142, 199332), (147, 192552), (168, 168483), (196, 144414), (213, 132888), (226, 125244), (252, 112322), (284, 99666), (294, 96276), (339, 83496), (392, 72207), (426, 66444), (441, 64184), (452, 62622), (497, 56952), (504, 56161), (568, 49833), (588, 48138), (639, 44296), (678, 41748), (791, 35784), (852, 33222), (882, 32092), (904, 31311), (994, 28476), (1017, 27832), (1176, 24069), (1278, 22148), (1356, 20874), (1491, 18984), (1582, 17892), (1704, 16611), (1764, 16046), (1988, 14238), (2034, 13916), (2373, 11928), (2556, 11074), (2712, 10437), (2982, 9492), (3164, 8946), (3479, 8136), (3528, 8023), (3976, 7119), (4068, 6958), (4473, 6328), (4746, 5964), (5112, 5537)]