71486989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8461}}^1$

素因数の和:8556

約数の個数: 16

約数和(自身を含む): 87734016

約数和(自身を除く): 16247027

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 8461, 59227, 143837, 600731, 1006859, 4205117, 10212427, 71486989]

約数ペア:

[(1, 71486989), (7, 10212427), (17, 4205117), (71, 1006859), (119, 600731), (497, 143837), (1207, 59227), (8449, 8461)]