397777404

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{128981}}^1$

素因数の和:129245

約数の個数: 24

約数和(自身を含む): 931765968

約数和(自身を除く): 533988564

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 128981, 257962, 386943, 515924, 773886, 1547772, 33148117, 66296234, 99444351, 132592468, 198888702, 397777404]

約数ペア:

[(1, 397777404), (2, 198888702), (3, 132592468), (4, 99444351), (6, 66296234), (12, 33148117), (257, 1547772), (514, 773886), (771, 515924), (1028, 386943), (1542, 257962), (3084, 128981)]