28767872

素因数分解:

$2^7\times 7^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 66373440

約数和(自身を除く): 37605568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 331, 388, 448, 662, 679, 776, 896, 1324, 1358, 1552, 2317, 2648, 2716, 3104, 4634, 5296, 5432, 6208, 9268, 10592, 10864, 12416, 18536, 21184, 21728, 32107, 37072, 42368, 43456, 64214, 74144, 86912, 128428, 148288, 224749, 256856, 296576, 449498, 513712, 898996, 1027424, 1797992, 2054848, 3595984, 4109696, 7191968, 14383936, 28767872]

約数ペア:

[(1, 28767872), (2, 14383936), (4, 7191968), (7, 4109696), (8, 3595984), (14, 2054848), (16, 1797992), (28, 1027424), (32, 898996), (56, 513712), (64, 449498), (97, 296576), (112, 256856), (128, 224749), (194, 148288), (224, 128428), (331, 86912), (388, 74144), (448, 64214), (662, 43456), (679, 42368), (776, 37072), (896, 32107), (1324, 21728), (1358, 21184), (1552, 18536), (2317, 12416), (2648, 10864), (2716, 10592), (3104, 9268), (4634, 6208), (5296, 5432)]