128395904

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 321242880

約数和(自身を除く): 192846976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 73, 91, 104, 112, 128, 146, 151, 182, 208, 224, 292, 302, 364, 416, 448, 511, 584, 604, 728, 832, 896, 949, 1022, 1057, 1168, 1208, 1456, 1664, 1898, 1963, 2044, 2114, 2336, 2416, 2912, 3796, 3926, 4088, 4228, 4672, 4832, 5824, 6643, 7592, 7852, 8176, 8456, 9344, 9664, 11023, 11648, 13286, 13741, 15184, 15704, 16352, 16912, 19328, 22046, 26572, 27482, 30368, 31408, 32704, 33824, 44092, 53144, 54964, 60736, 62816, 65408, 67648, 77161, 88184, 106288, 109928, 121472, 125632, 135296, 143299, 154322, 176368, 212576, 219856, 251264, 286598, 308644, 352736, 425152, 439712, 573196, 617288, 705472, 850304, 879424, 1003093, 1146392, 1234576, 1410944, 1758848, 2006186, 2292784, 2469152, 4012372, 4585568, 4938304, 8024744, 9171136, 9876608, 16049488, 18342272, 32098976, 64197952, 128395904]

約数ペア:

[(1, 128395904), (2, 64197952), (4, 32098976), (7, 18342272), (8, 16049488), (13, 9876608), (14, 9171136), (16, 8024744), (26, 4938304), (28, 4585568), (32, 4012372), (52, 2469152), (56, 2292784), (64, 2006186), (73, 1758848), (91, 1410944), (104, 1234576), (112, 1146392), (128, 1003093), (146, 879424), (151, 850304), (182, 705472), (208, 617288), (224, 573196), (292, 439712), (302, 425152), (364, 352736), (416, 308644), (448, 286598), (511, 251264), (584, 219856), (604, 212576), (728, 176368), (832, 154322), (896, 143299), (949, 135296), (1022, 125632), (1057, 121472), (1168, 109928), (1208, 106288), (1456, 88184), (1664, 77161), (1898, 67648), (1963, 65408), (2044, 62816), (2114, 60736), (2336, 54964), (2416, 53144), (2912, 44092), (3796, 33824), (3926, 32704), (4088, 31408), (4228, 30368), (4672, 27482), (4832, 26572), (5824, 22046), (6643, 19328), (7592, 16912), (7852, 16352), (8176, 15704), (8456, 15184), (9344, 13741), (9664, 13286), (11023, 11648)]