81690112

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 80

約数和(自身を含む): 194844672

約数和(自身を除く): 113154560

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 512, 644, 736, 896, 991, 1288, 1472, 1792, 1982, 2576, 2944, 3584, 3964, 5152, 5888, 6937, 7928, 10304, 11776, 13874, 15856, 20608, 22793, 27748, 31712, 41216, 45586, 55496, 63424, 82432, 91172, 110992, 126848, 159551, 182344, 221984, 253696, 319102, 364688, 443968, 507392, 638204, 729376, 887936, 1276408, 1458752, 1775872, 2552816, 2917504, 3551744, 5105632, 5835008, 10211264, 11670016, 20422528, 40845056, 81690112]

約数ペア:

[(1, 81690112), (2, 40845056), (4, 20422528), (7, 11670016), (8, 10211264), (14, 5835008), (16, 5105632), (23, 3551744), (28, 2917504), (32, 2552816), (46, 1775872), (56, 1458752), (64, 1276408), (92, 887936), (112, 729376), (128, 638204), (161, 507392), (184, 443968), (224, 364688), (256, 319102), (322, 253696), (368, 221984), (448, 182344), (512, 159551), (644, 126848), (736, 110992), (896, 91172), (991, 82432), (1288, 63424), (1472, 55496), (1792, 45586), (1982, 41216), (2576, 31712), (2944, 27748), (3584, 22793), (3964, 20608), (5152, 15856), (5888, 13874), (6937, 11776), (7928, 10304)]