121115728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{398407}}^1$

素因数の和:398434

約数の個数: 20

約数和(自身を含む): 247012960

約数和(自身を除く): 125897232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 398407, 796814, 1593628, 3187256, 6374512, 7569733, 15139466, 30278932, 60557864, 121115728]

約数ペア:

[(1, 121115728), (2, 60557864), (4, 30278932), (8, 15139466), (16, 7569733), (19, 6374512), (38, 3187256), (76, 1593628), (152, 796814), (304, 398407)]