209919719

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 223067520

約数和(自身を除く): 13147801

約数列:

[1, 29, 47, 233, 661, 1363, 6757, 10951, 19169, 31067, 154013, 317579, 900943, 4466377, 7238611, 209919719]

約数ペア:

[(1, 209919719), (29, 7238611), (47, 4466377), (233, 900943), (661, 317579), (1363, 154013), (6757, 31067), (10951, 19169)]