212828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 465024

約数和(自身を除く): 252196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 691, 1382, 2764, 4837, 7601, 9674, 15202, 19348, 30404, 53207, 106414, 212828]

約数ペア:

[(1, 212828), (2, 106414), (4, 53207), (7, 30404), (11, 19348), (14, 15202), (22, 9674), (28, 7601), (44, 4837), (77, 2764), (154, 1382), (308, 691)]