1255542901781

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1\times {\mathrm{1379813}}^1$

素因数の和:1382012

約数の個数: 16

約数和(自身を含む): 1459114670208

約数和(自身を除く): 203571768427

約数列:

[1, 7, 61, 427, 2131, 14917, 129991, 909937, 1379813, 9658691, 84168593, 589180151, 2940381503, 20582670521, 179363271683, 1255542901781]

約数ペア:

[(1, 1255542901781), (7, 179363271683), (61, 20582670521), (427, 2940381503), (2131, 589180151), (14917, 84168593), (129991, 9658691), (909937, 1379813)]