208644128

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 545880384

約数和(自身を除く): 337236256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 272, 289, 293, 308, 352, 374, 476, 544, 578, 586, 616, 748, 952, 1156, 1172, 1232, 1309, 1496, 1904, 2023, 2051, 2312, 2344, 2464, 2618, 2992, 3179, 3223, 3808, 4046, 4102, 4624, 4688, 4981, 5236, 5984, 6358, 6446, 8092, 8204, 9248, 9376, 9962, 10472, 12716, 12892, 16184, 16408, 19924, 20944, 22253, 22561, 25432, 25784, 32368, 32816, 34867, 39848, 41888, 44506, 45122, 50864, 51568, 54791, 64736, 65632, 69734, 79696, 84677, 89012, 90244, 101728, 103136, 109582, 139468, 159392, 169354, 178024, 180488, 219164, 278936, 338708, 356048, 360976, 383537, 438328, 557872, 592739, 677416, 712096, 721952, 767074, 876656, 931447, 1115744, 1185478, 1354832, 1534148, 1753312, 1862894, 2370956, 2709664, 3068296, 3725788, 4741912, 6136592, 6520129, 7451576, 9483824, 12273184, 13040258, 14903152, 18967648, 26080516, 29806304, 52161032, 104322064, 208644128]

約数ペア:

[(1, 208644128), (2, 104322064), (4, 52161032), (7, 29806304), (8, 26080516), (11, 18967648), (14, 14903152), (16, 13040258), (17, 12273184), (22, 9483824), (28, 7451576), (32, 6520129), (34, 6136592), (44, 4741912), (56, 3725788), (68, 3068296), (77, 2709664), (88, 2370956), (112, 1862894), (119, 1753312), (136, 1534148), (154, 1354832), (176, 1185478), (187, 1115744), (224, 931447), (238, 876656), (272, 767074), (289, 721952), (293, 712096), (308, 677416), (352, 592739), (374, 557872), (476, 438328), (544, 383537), (578, 360976), (586, 356048), (616, 338708), (748, 278936), (952, 219164), (1156, 180488), (1172, 178024), (1232, 169354), (1309, 159392), (1496, 139468), (1904, 109582), (2023, 103136), (2051, 101728), (2312, 90244), (2344, 89012), (2464, 84677), (2618, 79696), (2992, 69734), (3179, 65632), (3223, 64736), (3808, 54791), (4046, 51568), (4102, 50864), (4624, 45122), (4688, 44506), (4981, 41888), (5236, 39848), (5984, 34867), (6358, 32816), (6446, 32368), (8092, 25784), (8204, 25432), (9248, 22561), (9376, 22253), (9962, 20944), (10472, 19924), (12716, 16408), (12892, 16184)]