1678820656

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{497281}}^1$

素因数の和:497500

約数の個数: 20

約数和(自身を含む): 3268137304

約数和(自身を除く): 1589316648

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 497281, 994562, 1989124, 3978248, 7956496, 104926291, 209852582, 419705164, 839410328, 1678820656]

約数ペア:

[(1, 1678820656), (2, 839410328), (4, 419705164), (8, 209852582), (16, 104926291), (211, 7956496), (422, 3978248), (844, 1989124), (1688, 994562), (3376, 497281)]