178935848

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 439979580

約数和(自身を除く): 261043732

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 73, 74, 91, 98, 104, 146, 148, 169, 182, 196, 259, 292, 296, 338, 364, 392, 481, 511, 518, 584, 637, 676, 728, 949, 962, 1022, 1036, 1183, 1274, 1352, 1813, 1898, 1924, 2044, 2072, 2366, 2548, 2701, 3367, 3577, 3626, 3796, 3848, 4088, 4732, 5096, 5402, 6253, 6643, 6734, 7154, 7252, 7592, 8281, 9464, 10804, 12337, 12506, 13286, 13468, 14308, 14504, 16562, 18907, 21608, 23569, 24674, 25012, 26572, 26936, 28616, 33124, 35113, 37814, 43771, 46501, 47138, 49348, 50024, 53144, 66248, 70226, 75628, 86359, 87542, 93002, 94276, 98696, 132349, 140452, 151256, 172718, 175084, 186004, 188552, 245791, 264698, 280904, 306397, 345436, 350168, 372008, 456469, 491582, 529396, 604513, 612794, 690872, 912938, 983164, 1058792, 1209026, 1225588, 1720537, 1825876, 1966328, 2418052, 2451176, 3195283, 3441074, 3651752, 4836104, 6390566, 6882148, 12781132, 13764296, 22366981, 25562264, 44733962, 89467924, 178935848]

約数ペア:

[(1, 178935848), (2, 89467924), (4, 44733962), (7, 25562264), (8, 22366981), (13, 13764296), (14, 12781132), (26, 6882148), (28, 6390566), (37, 4836104), (49, 3651752), (52, 3441074), (56, 3195283), (73, 2451176), (74, 2418052), (91, 1966328), (98, 1825876), (104, 1720537), (146, 1225588), (148, 1209026), (169, 1058792), (182, 983164), (196, 912938), (259, 690872), (292, 612794), (296, 604513), (338, 529396), (364, 491582), (392, 456469), (481, 372008), (511, 350168), (518, 345436), (584, 306397), (637, 280904), (676, 264698), (728, 245791), (949, 188552), (962, 186004), (1022, 175084), (1036, 172718), (1183, 151256), (1274, 140452), (1352, 132349), (1813, 98696), (1898, 94276), (1924, 93002), (2044, 87542), (2072, 86359), (2366, 75628), (2548, 70226), (2701, 66248), (3367, 53144), (3577, 50024), (3626, 49348), (3796, 47138), (3848, 46501), (4088, 43771), (4732, 37814), (5096, 35113), (5402, 33124), (6253, 28616), (6643, 26936), (6734, 26572), (7154, 25012), (7252, 24674), (7592, 23569), (8281, 21608), (9464, 18907), (10804, 16562), (12337, 14504), (12506, 14308), (13286, 13468)]