68691721

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{787}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 80968576

約数和(自身を除く): 12276855

約数列:

[1, 7, 37, 259, 337, 787, 2359, 5509, 12469, 29119, 87283, 203833, 265219, 1856533, 9813103, 68691721]

約数ペア:

[(1, 68691721), (7, 9813103), (37, 1856533), (259, 265219), (337, 203833), (787, 87283), (2359, 29119), (5509, 12469)]