211389619

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{6803}}^1$

素因数の和:7026

約数の個数: 16

約数和(自身を含む): 253435392

約数和(自身を除く): 42045773

約数列:

[1, 7, 23, 161, 193, 1351, 4439, 6803, 31073, 47621, 156469, 1095283, 1312979, 9190853, 30198517, 211389619]

約数ペア:

[(1, 211389619), (7, 30198517), (23, 9190853), (161, 1312979), (193, 1095283), (1351, 156469), (4439, 47621), (6803, 31073)]