81256448

素因数分解:

$2^{13}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 112

約数和(自身を含む): 201838560

約数和(自身を除く): 120582112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 109, 112, 128, 182, 208, 218, 224, 256, 364, 416, 436, 448, 512, 728, 763, 832, 872, 896, 1024, 1417, 1456, 1526, 1664, 1744, 1792, 2048, 2834, 2912, 3052, 3328, 3488, 3584, 4096, 5668, 5824, 6104, 6656, 6976, 7168, 8192, 9919, 11336, 11648, 12208, 13312, 13952, 14336, 19838, 22672, 23296, 24416, 26624, 27904, 28672, 39676, 45344, 46592, 48832, 53248, 55808, 57344, 79352, 90688, 93184, 97664, 106496, 111616, 158704, 181376, 186368, 195328, 223232, 317408, 362752, 372736, 390656, 446464, 634816, 725504, 745472, 781312, 892928, 1269632, 1451008, 1562624, 2539264, 2902016, 3125248, 5078528, 5804032, 6250496, 10157056, 11608064, 20314112, 40628224, 81256448]

約数ペア:

[(1, 81256448), (2, 40628224), (4, 20314112), (7, 11608064), (8, 10157056), (13, 6250496), (14, 5804032), (16, 5078528), (26, 3125248), (28, 2902016), (32, 2539264), (52, 1562624), (56, 1451008), (64, 1269632), (91, 892928), (104, 781312), (109, 745472), (112, 725504), (128, 634816), (182, 446464), (208, 390656), (218, 372736), (224, 362752), (256, 317408), (364, 223232), (416, 195328), (436, 186368), (448, 181376), (512, 158704), (728, 111616), (763, 106496), (832, 97664), (872, 93184), (896, 90688), (1024, 79352), (1417, 57344), (1456, 55808), (1526, 53248), (1664, 48832), (1744, 46592), (1792, 45344), (2048, 39676), (2834, 28672), (2912, 27904), (3052, 26624), (3328, 24416), (3488, 23296), (3584, 22672), (4096, 19838), (5668, 14336), (5824, 13952), (6104, 13312), (6656, 12208), (6976, 11648), (7168, 11336), (8192, 9919)]