2017961881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{19597}}^1$

素因数の和:19788

約数の個数: 12

約数和(自身を含む): 2197994092

約数和(自身を除く): 180032211

約数列:

[1, 13, 89, 1157, 7921, 19597, 102973, 254761, 1744133, 22673729, 155227837, 2017961881]

約数ペア:

[(1, 2017961881), (13, 155227837), (89, 22673729), (1157, 1744133), (7921, 254761), (19597, 102973)]