208673647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 59857553

約数列:

[1, 7, 13, 29, 91, 107, 203, 377, 739, 749, 1391, 2639, 3103, 5173, 9607, 9737, 21431, 21721, 40339, 67249, 79073, 150017, 278603, 282373, 553511, 1027949, 1950221, 2293117, 7195643, 16051819, 29810521, 208673647]

約数ペア:

[(1, 208673647), (7, 29810521), (13, 16051819), (29, 7195643), (91, 2293117), (107, 1950221), (203, 1027949), (377, 553511), (739, 282373), (749, 278603), (1391, 150017), (2639, 79073), (3103, 67249), (5173, 40339), (9607, 21721), (9737, 21431)]