278891138

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{9479}}^1$

素因数の和:9841

約数の個数: 16

約数和(自身を含む): 428647680

約数和(自身を除く): 149756542

約数列:

[1, 2, 47, 94, 313, 626, 9479, 14711, 18958, 29422, 445513, 891026, 2966927, 5933854, 139445569, 278891138]

約数ペア:

[(1, 278891138), (2, 139445569), (47, 5933854), (94, 2966927), (313, 891026), (626, 445513), (9479, 29422), (14711, 18958)]