268336568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{1979}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 533530800

約数和(自身を除く): 265194232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 997, 1979, 1994, 3958, 3988, 7916, 7976, 15832, 16949, 33643, 33898, 67286, 67796, 134572, 135592, 269144, 1973063, 3946126, 7892252, 15784504, 33542071, 67084142, 134168284, 268336568]

約数ペア:

[(1, 268336568), (2, 134168284), (4, 67084142), (8, 33542071), (17, 15784504), (34, 7892252), (68, 3946126), (136, 1973063), (997, 269144), (1979, 135592), (1994, 134572), (3958, 67796), (3988, 67286), (7916, 33898), (7976, 33643), (15832, 16949)]