3998854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2239}}^1$

素因数の和:2307

約数の個数: 16

約数和(自身を含む): 6451200

約数和(自身を除く): 2452346

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 2239, 4478, 42541, 85082, 105233, 210466, 1999427, 3998854]

約数ペア:

[(1, 3998854), (2, 1999427), (19, 210466), (38, 105233), (47, 85082), (94, 42541), (893, 4478), (1786, 2239)]