65978143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20899}}^1$

素因数の和:20958

約数の個数: 16

約数和(自身を含む): 84268800

約数和(自身を除く): 18290657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 20899, 146293, 229889, 856859, 1609223, 5998013, 9425449, 65978143]

約数ペア:

[(1, 65978143), (7, 9425449), (11, 5998013), (41, 1609223), (77, 856859), (287, 229889), (451, 146293), (3157, 20899)]