155758421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{23447}}^1$

素因数の和:23540

約数の個数: 16

約数和(自身を含む): 194337024

約数和(自身を除く): 38578603

約数列:

[1, 7, 13, 73, 91, 511, 949, 6643, 23447, 164129, 304811, 1711631, 2133677, 11981417, 22251203, 155758421]

約数ペア:

[(1, 155758421), (7, 22251203), (13, 11981417), (73, 2133677), (91, 1711631), (511, 304811), (949, 164129), (6643, 23447)]