638560274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1051}}^1\times {\mathrm{27617}}^1$

素因数の和:28681

約数の個数: 16

約数和(自身を含む): 1045948896

約数和(自身を除く): 407388622

約数列:

[1, 2, 11, 22, 1051, 2102, 11561, 23122, 27617, 55234, 303787, 607574, 29025467, 58050934, 319280137, 638560274]

約数ペア:

[(1, 638560274), (2, 319280137), (11, 58050934), (22, 29025467), (1051, 607574), (2102, 303787), (11561, 55234), (23122, 27617)]