28726784

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2990

約数の個数: 40

約数和(自身を含む): 60438840

約数和(自身を除く): 31712056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 2953, 4864, 5906, 9728, 11812, 23624, 47248, 56107, 94496, 112214, 188992, 224428, 377984, 448856, 755968, 897712, 1511936, 1795424, 3590848, 7181696, 14363392, 28726784]

約数ペア:

[(1, 28726784), (2, 14363392), (4, 7181696), (8, 3590848), (16, 1795424), (19, 1511936), (32, 897712), (38, 755968), (64, 448856), (76, 377984), (128, 224428), (152, 188992), (256, 112214), (304, 94496), (512, 56107), (608, 47248), (1216, 23624), (2432, 11812), (2953, 9728), (4864, 5906)]