278454068

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{5107}}^1$

素因数の和:5471

約数の個数: 24

約数和(自身を含む): 500297952

約数和(自身を除く): 221843884

約数列:

[1, 2, 4, 43, 86, 172, 317, 634, 1268, 5107, 10214, 13631, 20428, 27262, 54524, 219601, 439202, 878404, 1618919, 3237838, 6475676, 69613517, 139227034, 278454068]

約数ペア:

[(1, 278454068), (2, 139227034), (4, 69613517), (43, 6475676), (86, 3237838), (172, 1618919), (317, 878404), (634, 439202), (1268, 219601), (5107, 54524), (10214, 27262), (13631, 20428)]