209039138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43787}}^1$

素因数の和:43838

約数の個数: 32

約数和(自身を含む): 403550208

約数和(自身を除く): 194511070

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 43787, 87574, 306509, 481657, 613018, 963314, 1357397, 2714794, 3371599, 6743198, 9501779, 14931367, 19003558, 29862734, 104519569, 209039138]

約数ペア:

[(1, 209039138), (2, 104519569), (7, 29862734), (11, 19003558), (14, 14931367), (22, 9501779), (31, 6743198), (62, 3371599), (77, 2714794), (154, 1357397), (217, 963314), (341, 613018), (434, 481657), (682, 306509), (2387, 87574), (4774, 43787)]