81647503

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1759}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 98560000

約数和(自身を除く): 16912497

約数列:

[1, 7, 19, 133, 349, 1759, 2443, 6631, 12313, 33421, 46417, 233947, 613891, 4297237, 11663929, 81647503]

約数ペア:

[(1, 81647503), (7, 11663929), (19, 4297237), (133, 613891), (349, 233947), (1759, 46417), (2443, 33421), (6631, 12313)]