280138382

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{7027}}^1$

素因数の和:7703

約数の個数: 16

約数和(自身を含む): 434499072

約数和(自身を除く): 154360690

約数列:

[1, 2, 31, 62, 643, 1286, 7027, 14054, 19933, 39866, 217837, 435674, 4518361, 9036722, 140069191, 280138382]

約数ペア:

[(1, 280138382), (2, 140069191), (31, 9036722), (62, 4518361), (643, 435674), (1286, 217837), (7027, 39866), (14054, 19933)]