28307972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91909}}^1$

素因数の和:91931

約数の個数: 24

約数和(自身を含む): 61763520

約数和(自身を除く): 33455548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91909, 183818, 367636, 643363, 1010999, 1286726, 2021998, 2573452, 4043996, 7076993, 14153986, 28307972]

約数ペア:

[(1, 28307972), (2, 14153986), (4, 7076993), (7, 4043996), (11, 2573452), (14, 2021998), (22, 1286726), (28, 1010999), (44, 643363), (77, 367636), (154, 183818), (308, 91909)]