205012318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{1409}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 370886400

約数和(自身を除く): 165874082

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 547, 1094, 1409, 2818, 3829, 7658, 9863, 10393, 19726, 20786, 26771, 53542, 72751, 145502, 187397, 374794, 770723, 1541446, 5395061, 10790122, 14643737, 29287474, 102506159, 205012318]

約数ペア:

[(1, 205012318), (2, 102506159), (7, 29287474), (14, 14643737), (19, 10790122), (38, 5395061), (133, 1541446), (266, 770723), (547, 374794), (1094, 187397), (1409, 145502), (2818, 72751), (3829, 53542), (7658, 26771), (9863, 20786), (10393, 19726)]