28887828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 78019200

約数和(自身を除く): 49131372

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 29, 34, 38, 51, 57, 58, 68, 76, 87, 102, 114, 116, 174, 204, 228, 257, 323, 348, 493, 514, 551, 646, 771, 969, 986, 1028, 1102, 1292, 1479, 1542, 1653, 1938, 1972, 2204, 2958, 3084, 3306, 3876, 4369, 4883, 5916, 6612, 7453, 8738, 9367, 9766, 13107, 14649, 14906, 17476, 18734, 19532, 22359, 26214, 28101, 29298, 29812, 37468, 44718, 52428, 56202, 58596, 83011, 89436, 112404, 126701, 141607, 166022, 249033, 253402, 283214, 332044, 380103, 424821, 498066, 506804, 566428, 760206, 849642, 996132, 1520412, 1699284, 2407319, 4814638, 7221957, 9629276, 14443914, 28887828]

約数ペア:

[(1, 28887828), (2, 14443914), (3, 9629276), (4, 7221957), (6, 4814638), (12, 2407319), (17, 1699284), (19, 1520412), (29, 996132), (34, 849642), (38, 760206), (51, 566428), (57, 506804), (58, 498066), (68, 424821), (76, 380103), (87, 332044), (102, 283214), (114, 253402), (116, 249033), (174, 166022), (204, 141607), (228, 126701), (257, 112404), (323, 89436), (348, 83011), (493, 58596), (514, 56202), (551, 52428), (646, 44718), (771, 37468), (969, 29812), (986, 29298), (1028, 28101), (1102, 26214), (1292, 22359), (1479, 19532), (1542, 18734), (1653, 17476), (1938, 14906), (1972, 14649), (2204, 13107), (2958, 9766), (3084, 9367), (3306, 8738), (3876, 7453), (4369, 6612), (4883, 5916)]