81067168

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 206927784

約数和(自身を除く): 125860616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 49, 52, 56, 82, 91, 97, 98, 104, 112, 164, 182, 194, 196, 208, 224, 287, 328, 364, 388, 392, 416, 533, 574, 637, 656, 679, 728, 776, 784, 1066, 1148, 1261, 1274, 1312, 1358, 1456, 1552, 1568, 2009, 2132, 2296, 2522, 2548, 2716, 2912, 3104, 3731, 3977, 4018, 4264, 4592, 4753, 5044, 5096, 5432, 7462, 7954, 8036, 8528, 8827, 9184, 9506, 10088, 10192, 10864, 14924, 15908, 16072, 17056, 17654, 19012, 20176, 20384, 21728, 26117, 27839, 29848, 31816, 32144, 35308, 38024, 40352, 51701, 52234, 55678, 59696, 61789, 63632, 64288, 70616, 76048, 103402, 104468, 111356, 119392, 123578, 127264, 141232, 152096, 194873, 206804, 208936, 222712, 247156, 282464, 361907, 389746, 413608, 417872, 445424, 494312, 723814, 779492, 827216, 835744, 890848, 988624, 1447628, 1558984, 1654432, 1977248, 2533349, 2895256, 3117968, 5066698, 5790512, 6235936, 10133396, 11581024, 20266792, 40533584, 81067168]

約数ペア:

[(1, 81067168), (2, 40533584), (4, 20266792), (7, 11581024), (8, 10133396), (13, 6235936), (14, 5790512), (16, 5066698), (26, 3117968), (28, 2895256), (32, 2533349), (41, 1977248), (49, 1654432), (52, 1558984), (56, 1447628), (82, 988624), (91, 890848), (97, 835744), (98, 827216), (104, 779492), (112, 723814), (164, 494312), (182, 445424), (194, 417872), (196, 413608), (208, 389746), (224, 361907), (287, 282464), (328, 247156), (364, 222712), (388, 208936), (392, 206804), (416, 194873), (533, 152096), (574, 141232), (637, 127264), (656, 123578), (679, 119392), (728, 111356), (776, 104468), (784, 103402), (1066, 76048), (1148, 70616), (1261, 64288), (1274, 63632), (1312, 61789), (1358, 59696), (1456, 55678), (1552, 52234), (1568, 51701), (2009, 40352), (2132, 38024), (2296, 35308), (2522, 32144), (2548, 31816), (2716, 29848), (2912, 27839), (3104, 26117), (3731, 21728), (3977, 20384), (4018, 20176), (4264, 19012), (4592, 17654), (4753, 17056), (5044, 16072), (5096, 15908), (5432, 14924), (7462, 10864), (7954, 10192), (8036, 10088), (8528, 9506), (8827, 9184)]