257564042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 422703360

約数和(自身を除く): 165139318

約数列:

[1, 2, 17, 34, 47, 89, 94, 178, 799, 1513, 1598, 1811, 3026, 3622, 4183, 8366, 30787, 61574, 71111, 85117, 142222, 161179, 170234, 322358, 1446989, 2740043, 2893978, 5480086, 7575413, 15150826, 128782021, 257564042]

約数ペア:

[(1, 257564042), (2, 128782021), (17, 15150826), (34, 7575413), (47, 5480086), (89, 2893978), (94, 2740043), (178, 1446989), (799, 322358), (1513, 170234), (1598, 161179), (1811, 142222), (3026, 85117), (3622, 71111), (4183, 61574), (8366, 30787)]