81781824

素因数分解:

$2^6\times 3^1\times {\mathrm{251}}^1\times {\mathrm{1697}}^1$

素因数の和:1963

約数の個数: 56

約数和(自身を含む): 217371168

約数和(自身を除く): 135589344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 251, 502, 753, 1004, 1506, 1697, 2008, 3012, 3394, 4016, 5091, 6024, 6788, 8032, 10182, 12048, 13576, 16064, 20364, 24096, 27152, 40728, 48192, 54304, 81456, 108608, 162912, 325824, 425947, 851894, 1277841, 1703788, 2555682, 3407576, 5111364, 6815152, 10222728, 13630304, 20445456, 27260608, 40890912, 81781824]

約数ペア:

[(1, 81781824), (2, 40890912), (3, 27260608), (4, 20445456), (6, 13630304), (8, 10222728), (12, 6815152), (16, 5111364), (24, 3407576), (32, 2555682), (48, 1703788), (64, 1277841), (96, 851894), (192, 425947), (251, 325824), (502, 162912), (753, 108608), (1004, 81456), (1506, 54304), (1697, 48192), (2008, 40728), (3012, 27152), (3394, 24096), (4016, 20364), (5091, 16064), (6024, 13576), (6788, 12048), (8032, 10182)]