247339939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{17747}}^1$

素因数の和:17946

約数の個数: 16

約数和(自身を含む): 310093056

約数和(自身を除く): 62753117

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 13937, 17747, 124229, 195217, 1366519, 3212207, 22485449, 35334277, 247339939]

約数ペア:

[(1, 247339939), (7, 35334277), (11, 22485449), (77, 3212207), (181, 1366519), (1267, 195217), (1991, 124229), (13937, 17747)]