31880233

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 43060080

約数和(自身を除く): 11179847

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 209, 283, 539, 847, 931, 1463, 1981, 2299, 3113, 5377, 5929, 10241, 13867, 16093, 21791, 34243, 37639, 59147, 112651, 152537, 239701, 263473, 414029, 650617, 1677907, 2898203, 4554319, 31880233]

約数ペア:

[(1, 31880233), (7, 4554319), (11, 2898203), (19, 1677907), (49, 650617), (77, 414029), (121, 263473), (133, 239701), (209, 152537), (283, 112651), (539, 59147), (847, 37639), (931, 34243), (1463, 21791), (1981, 16093), (2299, 13867), (3113, 10241), (5377, 5929)]