81503774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 138903552

約数和(自身を除く): 57399778

約数列:

[1, 2, 11, 22, 31, 62, 127, 254, 341, 682, 941, 1397, 1882, 2794, 3937, 7874, 10351, 20702, 29171, 43307, 58342, 86614, 119507, 239014, 320881, 641762, 1314577, 2629154, 3704717, 7409434, 40751887, 81503774]

約数ペア:

[(1, 81503774), (2, 40751887), (11, 7409434), (22, 3704717), (31, 2629154), (62, 1314577), (127, 641762), (254, 320881), (341, 239014), (682, 119507), (941, 86614), (1397, 58342), (1882, 43307), (2794, 29171), (3937, 20702), (7874, 10351)]