16439988.000000000

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1844

約数の個数: 108

約数和(自身を含む): 405789384

約数和(自身を除く): 271000380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 516, 588, 602, 774, 882, 903, 1204, 1548, 1764, 1777, 1806, 2107, 2709, 3554, 3612, 4214, 5331, 5418, 6321, 7108, 8428, 10662, 10836, 12439, 12642, 15993, 18963, 21324, 24878, 25284, 31986, 37317, 37926, 49756, 63972, 74634, 75852, 76411, 87073, 111951, 149268, 152822, 174146, 223902, 229233, 261219, 305644, 348292, 447804, 458466, 522438, 534877, 687699, 783657, 916932, 1044876, 1069754, 1375398, 1567314, 1604631, 2139508, 2750796, 3134628, 3209262, 3744139, 4813893, 6418524, 7488278, 9627786, 11232417, 14976556, 19255572, 22464834, 33697251, 44929668, 67394502, 134789004]

約数ペア:

[(1, 134789004), (2, 67394502), (3, 44929668), (4, 33697251), (6, 22464834), (7, 19255572), (9, 14976556), (12, 11232417), (14, 9627786), (18, 7488278), (21, 6418524), (28, 4813893), (36, 3744139), (42, 3209262), (43, 3134628), (49, 2750796), (63, 2139508), (84, 1604631), (86, 1567314), (98, 1375398), (126, 1069754), (129, 1044876), (147, 916932), (172, 783657), (196, 687699), (252, 534877), (258, 522438), (294, 458466), (301, 447804), (387, 348292), (441, 305644), (516, 261219), (588, 229233), (602, 223902), (774, 174146), (882, 152822), (903, 149268), (1204, 111951), (1548, 87073), (1764, 76411), (1777, 75852), (1806, 74634), (2107, 63972), (2709, 49756), (3554, 37926), (3612, 37317), (4214, 31986), (5331, 25284), (5418, 24878), (6321, 21324), (7108, 18963), (8428, 15993), (10662, 12642), (10836, 12439)]