28856268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2723

約数の個数: 72

約数和(自身を含む): 85333248

約数和(自身を除く): 56476980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2663, 2709, 3612, 5326, 5418, 7989, 10652, 10836, 15978, 18641, 23967, 31956, 37282, 47934, 55923, 74564, 95868, 111846, 114509, 167769, 223692, 229018, 335538, 343527, 458036, 671076, 687054, 801563, 1030581, 1374108, 1603126, 2061162, 2404689, 3206252, 4122324, 4809378, 7214067, 9618756, 14428134, 28856268]

約数ペア:

[(1, 28856268), (2, 14428134), (3, 9618756), (4, 7214067), (6, 4809378), (7, 4122324), (9, 3206252), (12, 2404689), (14, 2061162), (18, 1603126), (21, 1374108), (28, 1030581), (36, 801563), (42, 687054), (43, 671076), (63, 458036), (84, 343527), (86, 335538), (126, 229018), (129, 223692), (172, 167769), (252, 114509), (258, 111846), (301, 95868), (387, 74564), (516, 55923), (602, 47934), (774, 37282), (903, 31956), (1204, 23967), (1548, 18641), (1806, 15978), (2663, 10836), (2709, 10652), (3612, 7989), (5326, 5418)]