208715892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 656645472

約数和(自身を除く): 447929580

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 49, 61, 66, 69, 77, 84, 92, 98, 122, 132, 138, 147, 154, 161, 183, 196, 231, 244, 253, 276, 294, 308, 322, 366, 427, 462, 483, 506, 529, 539, 588, 644, 671, 732, 759, 854, 924, 966, 1012, 1058, 1078, 1127, 1281, 1342, 1403, 1518, 1587, 1617, 1708, 1771, 1932, 2013, 2116, 2156, 2254, 2562, 2684, 2806, 2989, 3036, 3174, 3234, 3381, 3542, 3703, 4026, 4209, 4508, 4697, 5124, 5313, 5612, 5819, 5978, 6348, 6468, 6762, 7084, 7406, 8052, 8418, 8967, 9394, 9821, 10626, 11109, 11638, 11956, 12397, 13524, 14091, 14812, 15433, 16836, 17457, 17934, 18788, 19642, 21252, 22218, 23276, 24794, 25921, 28182, 29463, 30866, 32269, 32879, 34914, 35868, 37191, 39284, 40733, 44436, 46299, 49588, 51842, 56364, 58926, 61732, 64538, 65758, 68747, 69828, 74382, 77763, 81466, 92598, 96807, 98637, 103684, 108031, 117852, 122199, 129076, 131516, 137494, 148764, 155526, 162932, 185196, 193614, 197274, 206241, 216062, 225883, 244398, 274988, 285131, 311052, 324093, 354959, 387228, 394548, 412482, 432124, 451766, 488796, 570262, 648186, 677649, 709918, 756217, 824964, 855393, 903532, 1064877, 1140524, 1296372, 1355298, 1419836, 1512434, 1581181, 1710786, 2129754, 2268651, 2484713, 2710596, 3024868, 3162362, 3421572, 4259508, 4537302, 4743543, 4969426, 6324724, 7454139, 9074604, 9487086, 9938852, 14908278, 17392991, 18974172, 29816556, 34785982, 52178973, 69571964, 104357946, 208715892]

約数ペア:

[(1, 208715892), (2, 104357946), (3, 69571964), (4, 52178973), (6, 34785982), (7, 29816556), (11, 18974172), (12, 17392991), (14, 14908278), (21, 9938852), (22, 9487086), (23, 9074604), (28, 7454139), (33, 6324724), (42, 4969426), (44, 4743543), (46, 4537302), (49, 4259508), (61, 3421572), (66, 3162362), (69, 3024868), (77, 2710596), (84, 2484713), (92, 2268651), (98, 2129754), (122, 1710786), (132, 1581181), (138, 1512434), (147, 1419836), (154, 1355298), (161, 1296372), (183, 1140524), (196, 1064877), (231, 903532), (244, 855393), (253, 824964), (276, 756217), (294, 709918), (308, 677649), (322, 648186), (366, 570262), (427, 488796), (462, 451766), (483, 432124), (506, 412482), (529, 394548), (539, 387228), (588, 354959), (644, 324093), (671, 311052), (732, 285131), (759, 274988), (854, 244398), (924, 225883), (966, 216062), (1012, 206241), (1058, 197274), (1078, 193614), (1127, 185196), (1281, 162932), (1342, 155526), (1403, 148764), (1518, 137494), (1587, 131516), (1617, 129076), (1708, 122199), (1771, 117852), (1932, 108031), (2013, 103684), (2116, 98637), (2156, 96807), (2254, 92598), (2562, 81466), (2684, 77763), (2806, 74382), (2989, 69828), (3036, 68747), (3174, 65758), (3234, 64538), (3381, 61732), (3542, 58926), (3703, 56364), (4026, 51842), (4209, 49588), (4508, 46299), (4697, 44436), (5124, 40733), (5313, 39284), (5612, 37191), (5819, 35868), (5978, 34914), (6348, 32879), (6468, 32269), (6762, 30866), (7084, 29463), (7406, 28182), (8052, 25921), (8418, 24794), (8967, 23276), (9394, 22218), (9821, 21252), (10626, 19642), (11109, 18788), (11638, 17934), (11956, 17457), (12397, 16836), (13524, 15433), (14091, 14812)]