221566124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{42187}}^1$

素因数の和:42305

約数の個数: 24

約数和(自身を含む): 421711248

約数和(自身を除く): 200145124

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 42187, 84374, 168748, 548431, 1096862, 2193724, 4260887, 8521774, 17043548, 55391531, 110783062, 221566124]

約数ペア:

[(1, 221566124), (2, 110783062), (4, 55391531), (13, 17043548), (26, 8521774), (52, 4260887), (101, 2193724), (202, 1096862), (404, 548431), (1313, 168748), (2626, 84374), (5252, 42187)]