81571168

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 96

約数和(自身を含む): 200890368

約数和(自身を除く): 119319200

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 68, 112, 119, 124, 136, 217, 224, 238, 248, 272, 434, 476, 496, 527, 544, 691, 868, 952, 992, 1054, 1382, 1736, 1904, 2108, 2764, 3472, 3689, 3808, 4216, 4837, 5528, 6944, 7378, 8432, 9674, 11056, 11747, 14756, 16864, 19348, 21421, 22112, 23494, 29512, 38696, 42842, 46988, 59024, 77392, 82229, 85684, 93976, 118048, 149947, 154784, 164458, 171368, 187952, 299894, 328916, 342736, 364157, 375904, 599788, 657832, 685472, 728314, 1199576, 1315664, 1456628, 2399152, 2549099, 2631328, 2913256, 4798304, 5098198, 5826512, 10196396, 11653024, 20392792, 40785584, 81571168]

約数ペア:

[(1, 81571168), (2, 40785584), (4, 20392792), (7, 11653024), (8, 10196396), (14, 5826512), (16, 5098198), (17, 4798304), (28, 2913256), (31, 2631328), (32, 2549099), (34, 2399152), (56, 1456628), (62, 1315664), (68, 1199576), (112, 728314), (119, 685472), (124, 657832), (136, 599788), (217, 375904), (224, 364157), (238, 342736), (248, 328916), (272, 299894), (434, 187952), (476, 171368), (496, 164458), (527, 154784), (544, 149947), (691, 118048), (868, 93976), (952, 85684), (992, 82229), (1054, 77392), (1382, 59024), (1736, 46988), (1904, 42842), (2108, 38696), (2764, 29512), (3472, 23494), (3689, 22112), (3808, 21421), (4216, 19348), (4837, 16864), (5528, 14756), (6944, 11747), (7378, 11056), (8432, 9674)]