217678336

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 467347320

約数和(自身を除く): 249668984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 128, 136, 178, 256, 272, 281, 356, 512, 544, 562, 712, 1088, 1124, 1424, 1513, 2176, 2248, 2848, 3026, 4352, 4496, 4777, 5696, 6052, 8704, 8992, 9554, 11392, 12104, 17984, 19108, 22784, 24208, 25009, 35968, 38216, 45568, 48416, 50018, 71936, 76432, 96832, 100036, 143872, 152864, 193664, 200072, 305728, 387328, 400144, 425153, 611456, 774656, 800288, 850306, 1222912, 1600576, 1700612, 2445824, 3201152, 3401224, 6402304, 6802448, 12804608, 13604896, 27209792, 54419584, 108839168, 217678336]

約数ペア:

[(1, 217678336), (2, 108839168), (4, 54419584), (8, 27209792), (16, 13604896), (17, 12804608), (32, 6802448), (34, 6402304), (64, 3401224), (68, 3201152), (89, 2445824), (128, 1700612), (136, 1600576), (178, 1222912), (256, 850306), (272, 800288), (281, 774656), (356, 611456), (512, 425153), (544, 400144), (562, 387328), (712, 305728), (1088, 200072), (1124, 193664), (1424, 152864), (1513, 143872), (2176, 100036), (2248, 96832), (2848, 76432), (3026, 71936), (4352, 50018), (4496, 48416), (4777, 45568), (5696, 38216), (6052, 35968), (8704, 25009), (8992, 24208), (9554, 22784), (11392, 19108), (12104, 17984)]