291212047

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4079}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 357212160

約数和(自身を除く): 66000113

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 4079, 10199, 28553, 71393, 126449, 191713, 199871, 885143, 1341991, 5943103, 6196001, 9393937, 41601721, 291212047]

約数ペア:

[(1, 291212047), (7, 41601721), (31, 9393937), (47, 6196001), (49, 5943103), (217, 1341991), (329, 885143), (1457, 199871), (1519, 191713), (2303, 126449), (4079, 71393), (10199, 28553)]