205653904

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{12589}}^1$

素因数の和:13618

約数の個数: 20

約数和(自身を含む): 398876380

約数和(自身を除く): 193222476

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 4084, 8168, 12589, 16336, 25178, 50356, 100712, 201424, 12853369, 25706738, 51413476, 102826952, 205653904]

約数ペア:

[(1, 205653904), (2, 102826952), (4, 51413476), (8, 25706738), (16, 12853369), (1021, 201424), (2042, 100712), (4084, 50356), (8168, 25178), (12589, 16336)]