87690044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{129719}}^1$

素因数の和:129749

約数の個数: 18

約数和(自身を含む): 166171320

約数和(自身を除く): 78481276

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 129719, 259438, 518876, 1686347, 3372694, 6745388, 21922511, 43845022, 87690044]

約数ペア:

[(1, 87690044), (2, 43845022), (4, 21922511), (13, 6745388), (26, 3372694), (52, 1686347), (169, 518876), (338, 259438), (676, 129719)]