81140554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 135530496

約数和(自身を除く): 54389942

約数列:

[1, 2, 11, 22, 113, 127, 226, 254, 257, 514, 1243, 1397, 2486, 2794, 2827, 5654, 14351, 28702, 29041, 32639, 58082, 65278, 157861, 315722, 319451, 359029, 638902, 718058, 3688207, 7376414, 40570277, 81140554]

約数ペア:

[(1, 81140554), (2, 40570277), (11, 7376414), (22, 3688207), (113, 718058), (127, 638902), (226, 359029), (254, 319451), (257, 315722), (514, 157861), (1243, 65278), (1397, 58082), (2486, 32639), (2794, 29041), (2827, 28702), (5654, 14351)]