248809316

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{21107}}^1$

素因数の和:21539

約数の個数: 24

約数和(自身を含む): 498824256

約数和(自身を除く): 250014940

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 21107, 42214, 84428, 147749, 295498, 590996, 8886047, 17772094, 35544188, 62202329, 124404658, 248809316]

約数ペア:

[(1, 248809316), (2, 124404658), (4, 62202329), (7, 35544188), (14, 17772094), (28, 8886047), (421, 590996), (842, 295498), (1684, 147749), (2947, 84428), (5894, 42214), (11788, 21107)]