81068416

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 196035840

約数和(自身を除く): 114967424

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 43, 44, 52, 64, 86, 88, 103, 104, 128, 143, 172, 176, 206, 208, 286, 344, 352, 412, 416, 473, 559, 572, 688, 704, 824, 832, 946, 1118, 1133, 1144, 1339, 1376, 1408, 1648, 1664, 1892, 2236, 2266, 2288, 2678, 2752, 3296, 3784, 4429, 4472, 4532, 4576, 5356, 5504, 6149, 6592, 7568, 8858, 8944, 9064, 9152, 10712, 12298, 13184, 14729, 15136, 17716, 17888, 18128, 18304, 21424, 24596, 29458, 30272, 35432, 35776, 36256, 42848, 48719, 49192, 57577, 58916, 60544, 70864, 71552, 72512, 85696, 97438, 98384, 115154, 117832, 141728, 145024, 171392, 194876, 196768, 230308, 235664, 283456, 389752, 393536, 460616, 471328, 566912, 633347, 779504, 787072, 921232, 942656, 1266694, 1559008, 1842464, 1885312, 2533388, 3118016, 3684928, 5066776, 6236032, 7369856, 10133552, 20267104, 40534208, 81068416]

約数ペア:

[(1, 81068416), (2, 40534208), (4, 20267104), (8, 10133552), (11, 7369856), (13, 6236032), (16, 5066776), (22, 3684928), (26, 3118016), (32, 2533388), (43, 1885312), (44, 1842464), (52, 1559008), (64, 1266694), (86, 942656), (88, 921232), (103, 787072), (104, 779504), (128, 633347), (143, 566912), (172, 471328), (176, 460616), (206, 393536), (208, 389752), (286, 283456), (344, 235664), (352, 230308), (412, 196768), (416, 194876), (473, 171392), (559, 145024), (572, 141728), (688, 117832), (704, 115154), (824, 98384), (832, 97438), (946, 85696), (1118, 72512), (1133, 71552), (1144, 70864), (1339, 60544), (1376, 58916), (1408, 57577), (1648, 49192), (1664, 48719), (1892, 42848), (2236, 36256), (2266, 35776), (2288, 35432), (2678, 30272), (2752, 29458), (3296, 24596), (3784, 21424), (4429, 18304), (4472, 18128), (4532, 17888), (4576, 17716), (5356, 15136), (5504, 14729), (6149, 13184), (6592, 12298), (7568, 10712), (8858, 9152), (8944, 9064)]