81774784

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:790

約数の個数: 112

約数和(自身を含む): 210515200

約数和(自身を除く): 128740416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 739, 832, 988, 1064, 1216, 1456, 1478, 1729, 1976, 2128, 2912, 2956, 3458, 3952, 4256, 5173, 5824, 5912, 6916, 7904, 8512, 9607, 10346, 11824, 13832, 14041, 15808, 19214, 20692, 23648, 27664, 28082, 38428, 41384, 47296, 55328, 56164, 67249, 76856, 82768, 98287, 110656, 112328, 134498, 153712, 165536, 182533, 196574, 224656, 268996, 307424, 331072, 365066, 393148, 449312, 537992, 614848, 730132, 786296, 898624, 1075984, 1277731, 1460264, 1572592, 2151968, 2555462, 2920528, 3145184, 4303936, 5110924, 5841056, 6290368, 10221848, 11682112, 20443696, 40887392, 81774784]

約数ペア:

[(1, 81774784), (2, 40887392), (4, 20443696), (7, 11682112), (8, 10221848), (13, 6290368), (14, 5841056), (16, 5110924), (19, 4303936), (26, 3145184), (28, 2920528), (32, 2555462), (38, 2151968), (52, 1572592), (56, 1460264), (64, 1277731), (76, 1075984), (91, 898624), (104, 786296), (112, 730132), (133, 614848), (152, 537992), (182, 449312), (208, 393148), (224, 365066), (247, 331072), (266, 307424), (304, 268996), (364, 224656), (416, 196574), (448, 182533), (494, 165536), (532, 153712), (608, 134498), (728, 112328), (739, 110656), (832, 98287), (988, 82768), (1064, 76856), (1216, 67249), (1456, 56164), (1478, 55328), (1729, 47296), (1976, 41384), (2128, 38428), (2912, 28082), (2956, 27664), (3458, 23648), (3952, 20692), (4256, 19214), (5173, 15808), (5824, 14041), (5912, 13832), (6916, 11824), (7904, 10346), (8512, 9607)]