255808

素因数分解:

$2^6\times 7^1\times {\mathrm{571}}^1$

素因数の和:590

約数の個数: 28

約数和(自身を含む): 581152

約数和(自身を除く): 325344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 571, 1142, 2284, 3997, 4568, 7994, 9136, 15988, 18272, 31976, 36544, 63952, 127904, 255808]

約数ペア:

[(1, 255808), (2, 127904), (4, 63952), (7, 36544), (8, 31976), (14, 18272), (16, 15988), (28, 9136), (32, 7994), (56, 4568), (64, 3997), (112, 2284), (224, 1142), (448, 571)]