81218048

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 171692136

約数和(自身を除く): 90474088

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 73, 82, 106, 128, 146, 164, 212, 256, 292, 328, 424, 512, 584, 656, 848, 1168, 1312, 1696, 2173, 2336, 2624, 2993, 3392, 3869, 4346, 4672, 5248, 5986, 6784, 7738, 8692, 9344, 10496, 11972, 13568, 15476, 17384, 18688, 20992, 23944, 27136, 30952, 34768, 37376, 47888, 61904, 69536, 95776, 123808, 139072, 158629, 191552, 247616, 278144, 317258, 383104, 495232, 556288, 634516, 766208, 990464, 1112576, 1269032, 1532416, 1980928, 2538064, 5076128, 10152256, 20304512, 40609024, 81218048]

約数ペア:

[(1, 81218048), (2, 40609024), (4, 20304512), (8, 10152256), (16, 5076128), (32, 2538064), (41, 1980928), (53, 1532416), (64, 1269032), (73, 1112576), (82, 990464), (106, 766208), (128, 634516), (146, 556288), (164, 495232), (212, 383104), (256, 317258), (292, 278144), (328, 247616), (424, 191552), (512, 158629), (584, 139072), (656, 123808), (848, 95776), (1168, 69536), (1312, 61904), (1696, 47888), (2173, 37376), (2336, 34768), (2624, 30952), (2993, 27136), (3392, 23944), (3869, 20992), (4346, 18688), (4672, 17384), (5248, 15476), (5986, 13568), (6784, 11972), (7738, 10496), (8692, 9344)]