28408884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2663}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 76382208

約数和(自身を除く): 47973324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2663, 2667, 3556, 5326, 5334, 7989, 10652, 10668, 15978, 18641, 31956, 37282, 55923, 74564, 111846, 223692, 338201, 676402, 1014603, 1352804, 2029206, 2367407, 4058412, 4734814, 7102221, 9469628, 14204442, 28408884]

約数ペア:

[(1, 28408884), (2, 14204442), (3, 9469628), (4, 7102221), (6, 4734814), (7, 4058412), (12, 2367407), (14, 2029206), (21, 1352804), (28, 1014603), (42, 676402), (84, 338201), (127, 223692), (254, 111846), (381, 74564), (508, 55923), (762, 37282), (889, 31956), (1524, 18641), (1778, 15978), (2663, 10668), (2667, 10652), (3556, 7989), (5326, 5334)]