217933136638

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{420720341}}^1$

素因数の和:420720387

約数の個数: 16

約数和(自身を含む): 383696951904

約数和(自身を除く): 165763815266

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 420720341, 841440682, 2945042387, 5890084774, 15566652617, 31133305234, 108966568319, 217933136638]

約数ペア:

[(1, 217933136638), (2, 108966568319), (7, 31133305234), (14, 15566652617), (37, 5890084774), (74, 2945042387), (259, 841440682), (518, 420720341)]