81505984

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4231}}^1$

素因数の和:4293

約数の個数: 56

約数和(自身を含む): 189187328

約数和(自身を除く): 107681344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1204, 1376, 2408, 2752, 4231, 4816, 8462, 9632, 16924, 19264, 29617, 33848, 59234, 67696, 118468, 135392, 181933, 236936, 270784, 363866, 473872, 727732, 947744, 1273531, 1455464, 1895488, 2547062, 2910928, 5094124, 5821856, 10188248, 11643712, 20376496, 40752992, 81505984]

約数ペア:

[(1, 81505984), (2, 40752992), (4, 20376496), (7, 11643712), (8, 10188248), (14, 5821856), (16, 5094124), (28, 2910928), (32, 2547062), (43, 1895488), (56, 1455464), (64, 1273531), (86, 947744), (112, 727732), (172, 473872), (224, 363866), (301, 270784), (344, 236936), (448, 181933), (602, 135392), (688, 118468), (1204, 67696), (1376, 59234), (2408, 33848), (2752, 29617), (4231, 19264), (4816, 16924), (8462, 9632)]