81023488

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 160

約数和(自身を含む): 208986624

約数和(自身を除く): 127963136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 47, 52, 56, 64, 74, 91, 94, 104, 112, 128, 148, 182, 188, 208, 224, 256, 259, 296, 329, 364, 376, 416, 448, 481, 512, 518, 592, 611, 658, 728, 752, 832, 896, 962, 1036, 1184, 1222, 1316, 1456, 1504, 1664, 1739, 1792, 1924, 2072, 2368, 2444, 2632, 2912, 3008, 3328, 3367, 3478, 3584, 3848, 4144, 4277, 4736, 4888, 5264, 5824, 6016, 6656, 6734, 6956, 7696, 8288, 8554, 9472, 9776, 10528, 11648, 12032, 12173, 13468, 13912, 15392, 16576, 17108, 18944, 19552, 21056, 22607, 23296, 24064, 24346, 26936, 27824, 30784, 33152, 34216, 39104, 42112, 45214, 46592, 48692, 53872, 55648, 61568, 66304, 68432, 78208, 84224, 90428, 97384, 107744, 111296, 123136, 132608, 136864, 156416, 158249, 168448, 180856, 194768, 215488, 222592, 246272, 273728, 312832, 316498, 361712, 389536, 430976, 445184, 547456, 632996, 723424, 779072, 861952, 890368, 1094912, 1265992, 1446848, 1558144, 1723904, 2189824, 2531984, 2893696, 3116288, 5063968, 5787392, 6232576, 10127936, 11574784, 20255872, 40511744, 81023488]

約数ペア:

[(1, 81023488), (2, 40511744), (4, 20255872), (7, 11574784), (8, 10127936), (13, 6232576), (14, 5787392), (16, 5063968), (26, 3116288), (28, 2893696), (32, 2531984), (37, 2189824), (47, 1723904), (52, 1558144), (56, 1446848), (64, 1265992), (74, 1094912), (91, 890368), (94, 861952), (104, 779072), (112, 723424), (128, 632996), (148, 547456), (182, 445184), (188, 430976), (208, 389536), (224, 361712), (256, 316498), (259, 312832), (296, 273728), (329, 246272), (364, 222592), (376, 215488), (416, 194768), (448, 180856), (481, 168448), (512, 158249), (518, 156416), (592, 136864), (611, 132608), (658, 123136), (728, 111296), (752, 107744), (832, 97384), (896, 90428), (962, 84224), (1036, 78208), (1184, 68432), (1222, 66304), (1316, 61568), (1456, 55648), (1504, 53872), (1664, 48692), (1739, 46592), (1792, 45214), (1924, 42112), (2072, 39104), (2368, 34216), (2444, 33152), (2632, 30784), (2912, 27824), (3008, 26936), (3328, 24346), (3367, 24064), (3478, 23296), (3584, 22607), (3848, 21056), (4144, 19552), (4277, 18944), (4736, 17108), (4888, 16576), (5264, 15392), (5824, 13912), (6016, 13468), (6656, 12173), (6734, 12032), (6956, 11648), (7696, 10528), (8288, 9776), (8554, 9472)]