1721319908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1259}}^1$

素因数の和:1497

約数の個数: 96

約数和(自身を含む): 3942328320

約数和(自身を除く): 2221008412

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 193, 253, 308, 322, 386, 506, 644, 772, 1012, 1259, 1351, 1771, 2123, 2518, 2702, 3542, 4246, 4439, 5036, 5404, 7084, 8492, 8813, 8878, 13849, 14861, 17626, 17756, 27698, 28957, 29722, 31073, 35252, 48829, 55396, 57914, 59444, 62146, 96943, 97658, 115828, 124292, 193886, 195316, 202699, 242987, 318527, 341803, 387772, 405398, 485974, 637054, 683606, 810796, 971948, 1274108, 1367212, 1700909, 2229689, 2672857, 3401818, 4459378, 5345714, 5588701, 6803636, 8918756, 10691428, 11177402, 18709999, 22354804, 37419998, 39120907, 61475711, 74839996, 78241814, 122951422, 156483628, 245902844, 430329977, 860659954, 1721319908]

約数ペア:

[(1, 1721319908), (2, 860659954), (4, 430329977), (7, 245902844), (11, 156483628), (14, 122951422), (22, 78241814), (23, 74839996), (28, 61475711), (44, 39120907), (46, 37419998), (77, 22354804), (92, 18709999), (154, 11177402), (161, 10691428), (193, 8918756), (253, 6803636), (308, 5588701), (322, 5345714), (386, 4459378), (506, 3401818), (644, 2672857), (772, 2229689), (1012, 1700909), (1259, 1367212), (1351, 1274108), (1771, 971948), (2123, 810796), (2518, 683606), (2702, 637054), (3542, 485974), (4246, 405398), (4439, 387772), (5036, 341803), (5404, 318527), (7084, 242987), (8492, 202699), (8813, 195316), (8878, 193886), (13849, 124292), (14861, 115828), (17626, 97658), (17756, 96943), (27698, 62146), (28957, 59444), (29722, 57914), (31073, 55396), (35252, 48829)]