217967215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{2647}}^1$

素因数の和:3078

約数の個数: 16

約数和(自身を含む): 268443648

約数和(自身を除く): 50476433

約数列:

[1, 5, 43, 215, 383, 1915, 2647, 13235, 16469, 82345, 113821, 569105, 1013801, 5069005, 43593443, 217967215]

約数ペア:

[(1, 217967215), (5, 43593443), (43, 5069005), (215, 1013801), (383, 569105), (1915, 113821), (2647, 82345), (13235, 16469)]