81062464

素因数分解:

$2^6\times 7^2\times {\mathrm{25849}}^1$

素因数の和:25875

約数の個数: 42

約数和(自身を含む): 187128150

約数和(自身を除く): 106065686

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 25849, 51698, 103396, 180943, 206792, 361886, 413584, 723772, 827168, 1266601, 1447544, 1654336, 2533202, 2895088, 5066404, 5790176, 10132808, 11580352, 20265616, 40531232, 81062464]

約数ペア:

[(1, 81062464), (2, 40531232), (4, 20265616), (7, 11580352), (8, 10132808), (14, 5790176), (16, 5066404), (28, 2895088), (32, 2533202), (49, 1654336), (56, 1447544), (64, 1266601), (98, 827168), (112, 723772), (196, 413584), (224, 361886), (392, 206792), (448, 180943), (784, 103396), (1568, 51698), (3136, 25849)]