28639128

素因数分解:

$2^3\times 3^1\times 7^5\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 84706560

約数和(自身を除く): 56067432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 71, 84, 98, 142, 147, 168, 196, 213, 284, 294, 343, 392, 426, 497, 568, 588, 686, 852, 994, 1029, 1176, 1372, 1491, 1704, 1988, 2058, 2401, 2744, 2982, 3479, 3976, 4116, 4802, 5964, 6958, 7203, 8232, 9604, 10437, 11928, 13916, 14406, 16807, 19208, 20874, 24353, 27832, 28812, 33614, 41748, 48706, 50421, 57624, 67228, 73059, 83496, 97412, 100842, 134456, 146118, 170471, 194824, 201684, 292236, 340942, 403368, 511413, 584472, 681884, 1022826, 1193297, 1363768, 2045652, 2386594, 3579891, 4091304, 4773188, 7159782, 9546376, 14319564, 28639128]

約数ペア:

[(1, 28639128), (2, 14319564), (3, 9546376), (4, 7159782), (6, 4773188), (7, 4091304), (8, 3579891), (12, 2386594), (14, 2045652), (21, 1363768), (24, 1193297), (28, 1022826), (42, 681884), (49, 584472), (56, 511413), (71, 403368), (84, 340942), (98, 292236), (142, 201684), (147, 194824), (168, 170471), (196, 146118), (213, 134456), (284, 100842), (294, 97412), (343, 83496), (392, 73059), (426, 67228), (497, 57624), (568, 50421), (588, 48706), (686, 41748), (852, 33614), (994, 28812), (1029, 27832), (1176, 24353), (1372, 20874), (1491, 19208), (1704, 16807), (1988, 14406), (2058, 13916), (2401, 11928), (2744, 10437), (2982, 9604), (3479, 8232), (3976, 7203), (4116, 6958), (4802, 5964)]