81648896

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 108

約数和(自身を含む): 198529632

約数和(自身を除く): 116880736

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 283, 322, 368, 392, 448, 566, 644, 736, 784, 896, 1127, 1132, 1288, 1472, 1568, 1792, 1981, 2254, 2264, 2576, 2944, 3136, 3962, 4508, 4528, 5152, 5888, 6272, 6509, 7924, 9016, 9056, 10304, 12544, 13018, 13867, 15848, 18032, 18112, 20608, 26036, 27734, 31696, 36064, 36224, 41216, 45563, 52072, 55468, 63392, 72128, 72448, 91126, 104144, 110936, 126784, 144256, 182252, 208288, 221872, 253568, 288512, 318941, 364504, 416576, 443744, 507136, 637882, 729008, 833152, 887488, 1275764, 1458016, 1666304, 1774976, 2551528, 2916032, 3549952, 5103056, 5832064, 10206112, 11664128, 20412224, 40824448, 81648896]

約数ペア:

[(1, 81648896), (2, 40824448), (4, 20412224), (7, 11664128), (8, 10206112), (14, 5832064), (16, 5103056), (23, 3549952), (28, 2916032), (32, 2551528), (46, 1774976), (49, 1666304), (56, 1458016), (64, 1275764), (92, 887488), (98, 833152), (112, 729008), (128, 637882), (161, 507136), (184, 443744), (196, 416576), (224, 364504), (256, 318941), (283, 288512), (322, 253568), (368, 221872), (392, 208288), (448, 182252), (566, 144256), (644, 126784), (736, 110936), (784, 104144), (896, 91126), (1127, 72448), (1132, 72128), (1288, 63392), (1472, 55468), (1568, 52072), (1792, 45563), (1981, 41216), (2254, 36224), (2264, 36064), (2576, 31696), (2944, 27734), (3136, 26036), (3962, 20608), (4508, 18112), (4528, 18032), (5152, 15848), (5888, 13867), (6272, 13018), (6509, 12544), (7924, 10304), (9016, 9056)]