138725419

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{28031}}^1$

素因数の和:28146

約数の個数: 12

約数和(自身を含む): 162978048

約数和(自身を除く): 24252629

約数列:

[1, 7, 49, 101, 707, 4949, 28031, 196217, 1373519, 2831131, 19817917, 138725419]

約数ペア:

[(1, 138725419), (7, 19817917), (49, 2831131), (101, 1373519), (707, 196217), (4949, 28031)]