81262657

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1\times {\mathrm{739}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 97182720

約数和(自身を除く): 15920063

約数列:

[1, 7, 23, 161, 683, 739, 4781, 5173, 15709, 16997, 109963, 118979, 504737, 3533159, 11608951, 81262657]

約数ペア:

[(1, 81262657), (7, 11608951), (23, 3533159), (161, 504737), (683, 118979), (739, 109963), (4781, 16997), (5173, 15709)]