81978368

素因数分解:

$2^{10}\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:602

約数の個数: 44

約数和(自身を含む): 165070080

約数和(自身を除く): 83091712

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 256, 359, 446, 512, 718, 892, 1024, 1436, 1784, 2872, 3568, 5744, 7136, 11488, 14272, 22976, 28544, 45952, 57088, 80057, 91904, 114176, 160114, 183808, 228352, 320228, 367616, 640456, 1280912, 2561824, 5123648, 10247296, 20494592, 40989184, 81978368]

約数ペア:

[(1, 81978368), (2, 40989184), (4, 20494592), (8, 10247296), (16, 5123648), (32, 2561824), (64, 1280912), (128, 640456), (223, 367616), (256, 320228), (359, 228352), (446, 183808), (512, 160114), (718, 114176), (892, 91904), (1024, 80057), (1436, 57088), (1784, 45952), (2872, 28544), (3568, 22976), (5744, 14272), (7136, 11488)]