78123136

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 202204800

約数和(自身を除く): 124081664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 353, 364, 416, 448, 494, 532, 608, 706, 728, 832, 896, 988, 1064, 1216, 1412, 1456, 1664, 1729, 1976, 2128, 2432, 2471, 2824, 2912, 3458, 3952, 4256, 4589, 4942, 5648, 5824, 6707, 6916, 7904, 8512, 9178, 9884, 11296, 11648, 13414, 13832, 15808, 17024, 18356, 19768, 22592, 26828, 27664, 31616, 32123, 36712, 39536, 45184, 46949, 53656, 55328, 64246, 73424, 79072, 87191, 93898, 107312, 110656, 128492, 146848, 158144, 174382, 187796, 214624, 221312, 256984, 293696, 316288, 348764, 375592, 429248, 513968, 587392, 610337, 697528, 751184, 858496, 1027936, 1220674, 1395056, 1502368, 2055872, 2441348, 2790112, 3004736, 4111744, 4882696, 5580224, 6009472, 9765392, 11160448, 19530784, 39061568, 78123136]

約数ペア:

[(1, 78123136), (2, 39061568), (4, 19530784), (7, 11160448), (8, 9765392), (13, 6009472), (14, 5580224), (16, 4882696), (19, 4111744), (26, 3004736), (28, 2790112), (32, 2441348), (38, 2055872), (52, 1502368), (56, 1395056), (64, 1220674), (76, 1027936), (91, 858496), (104, 751184), (112, 697528), (128, 610337), (133, 587392), (152, 513968), (182, 429248), (208, 375592), (224, 348764), (247, 316288), (266, 293696), (304, 256984), (353, 221312), (364, 214624), (416, 187796), (448, 174382), (494, 158144), (532, 146848), (608, 128492), (706, 110656), (728, 107312), (832, 93898), (896, 87191), (988, 79072), (1064, 73424), (1216, 64246), (1412, 55328), (1456, 53656), (1664, 46949), (1729, 45184), (1976, 39536), (2128, 36712), (2432, 32123), (2471, 31616), (2824, 27664), (2912, 26828), (3458, 22592), (3952, 19768), (4256, 18356), (4589, 17024), (4942, 15808), (5648, 13832), (5824, 13414), (6707, 11648), (6916, 11296), (7904, 9884), (8512, 9178)]