208543321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{9601}}^1$

素因数の和:9744

約数の個数: 16

約数和(自身を含む): 248883840

約数和(自身を除く): 40340519

約数列:

[1, 7, 29, 107, 203, 749, 3103, 9601, 21721, 67207, 278429, 1027307, 1949003, 7191149, 29791903, 208543321]

約数ペア:

[(1, 208543321), (7, 29791903), (29, 7191149), (107, 1949003), (203, 1027307), (749, 278429), (3103, 67207), (9601, 21721)]