201722128

素因数分解:

$2^4\times {\mathrm{1559}}^1\times {\mathrm{8087}}^1$

素因数の和:9654

約数の個数: 20

約数和(自身を含む): 391135680

約数和(自身を除く): 189413552

約数列:

[1, 2, 4, 8, 16, 1559, 3118, 6236, 8087, 12472, 16174, 24944, 32348, 64696, 129392, 12607633, 25215266, 50430532, 100861064, 201722128]

約数ペア:

[(1, 201722128), (2, 100861064), (4, 50430532), (8, 25215266), (16, 12607633), (1559, 129392), (3118, 64696), (6236, 32348), (8087, 24944), (12472, 16174)]