209711056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 452649600

約数和(自身を除く): 242938544

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 304, 337, 356, 368, 437, 674, 712, 874, 1348, 1424, 1691, 1748, 2047, 2696, 3382, 3496, 4094, 5392, 6403, 6764, 6992, 7751, 8188, 12806, 13528, 15502, 16376, 25612, 27056, 29993, 31004, 32752, 38893, 51224, 59986, 62008, 77786, 102448, 119972, 124016, 147269, 155572, 239944, 294538, 311144, 479888, 569867, 589076, 622288, 689839, 1139734, 1178152, 1379678, 2279468, 2356304, 2759356, 4558936, 5518712, 9117872, 11037424, 13106941, 26213882, 52427764, 104855528, 209711056]

約数ペア:

[(1, 209711056), (2, 104855528), (4, 52427764), (8, 26213882), (16, 13106941), (19, 11037424), (23, 9117872), (38, 5518712), (46, 4558936), (76, 2759356), (89, 2356304), (92, 2279468), (152, 1379678), (178, 1178152), (184, 1139734), (304, 689839), (337, 622288), (356, 589076), (368, 569867), (437, 479888), (674, 311144), (712, 294538), (874, 239944), (1348, 155572), (1424, 147269), (1691, 124016), (1748, 119972), (2047, 102448), (2696, 77786), (3382, 62008), (3496, 59986), (4094, 51224), (5392, 38893), (6403, 32752), (6764, 31004), (6992, 29993), (7751, 27056), (8188, 25612), (12806, 16376), (13528, 15502)]