489393008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{138403}}^1$

素因数の和:138441

約数の個数: 40

約数和(自身を含む): 1081212048

約数和(自身を除く): 591819040

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 138403, 276806, 553612, 1107224, 1799239, 2214448, 2352851, 3598478, 4705702, 7196956, 9411404, 14393912, 18822808, 28787824, 30587063, 37645616, 61174126, 122348252, 244696504, 489393008]

約数ペア:

[(1, 489393008), (2, 244696504), (4, 122348252), (8, 61174126), (13, 37645616), (16, 30587063), (17, 28787824), (26, 18822808), (34, 14393912), (52, 9411404), (68, 7196956), (104, 4705702), (136, 3598478), (208, 2352851), (221, 2214448), (272, 1799239), (442, 1107224), (884, 553612), (1768, 276806), (3536, 138403)]