161536144

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18731}}^1$

素因数の和:18764

約数の個数: 60

約数和(自身を含む): 397193328

約数和(自身を除く): 235657184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 18731, 37462, 74924, 131117, 149848, 206041, 262234, 299696, 412082, 524468, 824164, 917819, 1048936, 1442287, 1648328, 1835638, 2097872, 2884574, 3296656, 3671276, 5769148, 7342552, 10096009, 11538296, 14685104, 20192018, 23076592, 40384036, 80768072, 161536144]

約数ペア:

[(1, 161536144), (2, 80768072), (4, 40384036), (7, 23076592), (8, 20192018), (11, 14685104), (14, 11538296), (16, 10096009), (22, 7342552), (28, 5769148), (44, 3671276), (49, 3296656), (56, 2884574), (77, 2097872), (88, 1835638), (98, 1648328), (112, 1442287), (154, 1048936), (176, 917819), (196, 824164), (308, 524468), (392, 412082), (539, 299696), (616, 262234), (784, 206041), (1078, 149848), (1232, 131117), (2156, 74924), (4312, 37462), (8624, 18731)]