255237332

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{128389}}^1$

素因数の和:128471

約数の個数: 24

約数和(自身を含む): 517668480

約数和(自身を除く): 262431148

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 128389, 256778, 513556, 898723, 1797446, 3594892, 9115619, 18231238, 36462476, 63809333, 127618666, 255237332]

約数ペア:

[(1, 255237332), (2, 127618666), (4, 63809333), (7, 36462476), (14, 18231238), (28, 9115619), (71, 3594892), (142, 1797446), (284, 898723), (497, 513556), (994, 256778), (1988, 128389)]