1289774563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{85027}}^1$

素因数の和:85242

約数の個数: 16

約数和(自身を含む): 1616212224

約数和(自身を除く): 326437661

約数列:

[1, 7, 11, 77, 197, 1379, 2167, 15169, 85027, 595189, 935297, 6547079, 16750319, 117252233, 184253509, 1289774563]

約数ペア:

[(1, 1289774563), (7, 184253509), (11, 117252233), (77, 16750319), (197, 6547079), (1379, 935297), (2167, 595189), (15169, 85027)]