90727988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{134213}}^1$

素因数の和:134243

約数の個数: 18

約数和(自身を含む): 171928134

約数和(自身を除く): 81200146

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 134213, 268426, 536852, 1744769, 3489538, 6979076, 22681997, 45363994, 90727988]

約数ペア:

[(1, 90727988), (2, 45363994), (4, 22681997), (13, 6979076), (26, 3489538), (52, 1744769), (169, 536852), (338, 268426), (676, 134213)]