81385728

素因数分解:

$2^8\times 3^1\times {\mathrm{105971}}^1$

素因数の和:105990

約数の個数: 36

約数和(自身を含む): 216606768

約数和(自身を除く): 135221040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 105971, 211942, 317913, 423884, 635826, 847768, 1271652, 1695536, 2543304, 3391072, 5086608, 6782144, 10173216, 13564288, 20346432, 27128576, 40692864, 81385728]

約数ペア:

[(1, 81385728), (2, 40692864), (3, 27128576), (4, 20346432), (6, 13564288), (8, 10173216), (12, 6782144), (16, 5086608), (24, 3391072), (32, 2543304), (48, 1695536), (64, 1271652), (96, 847768), (128, 635826), (192, 423884), (256, 317913), (384, 211942), (768, 105971)]