256430218

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{19993}}^1$

素因数の和:20070

約数の個数: 24

約数和(自身を含む): 430790724

約数和(自身を除く): 174360506

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 6413, 12826, 19993, 39986, 219923, 439846, 1059629, 2119258, 2419153, 4838306, 11655919, 23311838, 128215109, 256430218]

約数ペア:

[(1, 256430218), (2, 128215109), (11, 23311838), (22, 11655919), (53, 4838306), (106, 2419153), (121, 2119258), (242, 1059629), (583, 439846), (1166, 219923), (6413, 39986), (12826, 19993)]