278323834

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{2161}}^1$

素因数の和:3141

約数の個数: 16

約数和(自身を含む): 424028736

約数和(自身を除く): 145704902

約数列:

[1, 2, 71, 142, 907, 1814, 2161, 4322, 64397, 128794, 153431, 306862, 1960027, 3920054, 139161917, 278323834]

約数ペア:

[(1, 278323834), (2, 139161917), (71, 3920054), (142, 1960027), (907, 306862), (1814, 153431), (2161, 128794), (4322, 64397)]