208047158

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{19993}}^1$

素因数の和:20060

約数の個数: 24

約数和(自身を含む): 351014664

約数和(自身を除く): 142967506

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 19993, 39986, 219923, 439846, 859699, 1719398, 2419153, 4838306, 9456689, 18913378, 104023579, 208047158]

約数ペア:

[(1, 208047158), (2, 104023579), (11, 18913378), (22, 9456689), (43, 4838306), (86, 2419153), (121, 1719398), (242, 859699), (473, 439846), (946, 219923), (5203, 39986), (10406, 19993)]