205120902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{72893}}^1$

素因数の和:72972

約数の個数: 32

約数和(自身を含む): 475852032

約数和(自身を除く): 270731130

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 72893, 145786, 218679, 437358, 510251, 1020502, 1530753, 3061506, 4883831, 9767662, 14651493, 29302986, 34186817, 68373634, 102560451, 205120902]

約数ペア:

[(1, 205120902), (2, 102560451), (3, 68373634), (6, 34186817), (7, 29302986), (14, 14651493), (21, 9767662), (42, 4883831), (67, 3061506), (134, 1530753), (201, 1020502), (402, 510251), (469, 437358), (938, 218679), (1407, 145786), (2814, 72893)]