81273728

素因数分解:

$2^7\times {\mathrm{317}}^1\times {\mathrm{2003}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 162504360

約数和(自身を除く): 81230632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 317, 634, 1268, 2003, 2536, 4006, 5072, 8012, 10144, 16024, 20288, 32048, 40576, 64096, 128192, 256384, 634951, 1269902, 2539804, 5079608, 10159216, 20318432, 40636864, 81273728]

約数ペア:

[(1, 81273728), (2, 40636864), (4, 20318432), (8, 10159216), (16, 5079608), (32, 2539804), (64, 1269902), (128, 634951), (317, 256384), (634, 128192), (1268, 64096), (2003, 40576), (2536, 32048), (4006, 20288), (5072, 16024), (8012, 10144)]