209212108

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{41281}}^1$

素因数の和:41473

約数の個数: 24

約数和(自身を含む): 420746144

約数和(自身を除く): 211534036

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 41281, 82562, 165124, 288967, 577934, 1155868, 7471861, 14943722, 29887444, 52303027, 104606054, 209212108]

約数ペア:

[(1, 209212108), (2, 104606054), (4, 52303027), (7, 29887444), (14, 14943722), (28, 7471861), (181, 1155868), (362, 577934), (724, 288967), (1267, 165124), (2534, 82562), (5068, 41281)]