81163904

素因数分解:

$2^7\times {\mathrm{263}}^1\times {\mathrm{2411}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 162375840

約数和(自身を除く): 81211936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 263, 526, 1052, 2104, 2411, 4208, 4822, 8416, 9644, 16832, 19288, 33664, 38576, 77152, 154304, 308608, 634093, 1268186, 2536372, 5072744, 10145488, 20290976, 40581952, 81163904]

約数ペア:

[(1, 81163904), (2, 40581952), (4, 20290976), (8, 10145488), (16, 5072744), (32, 2536372), (64, 1268186), (128, 634093), (263, 308608), (526, 154304), (1052, 77152), (2104, 38576), (2411, 33664), (4208, 19288), (4822, 16832), (8416, 9644)]