271020028

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{187687}}^1$

素因数の和:187729

約数の個数: 18

約数和(自身を含む): 500563896

約数和(自身を除く): 229543868

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 187687, 375374, 750748, 3566053, 7132106, 14264212, 67755007, 135510014, 271020028]

約数ペア:

[(1, 271020028), (2, 135510014), (4, 67755007), (19, 14264212), (38, 7132106), (76, 3566053), (361, 750748), (722, 375374), (1444, 187687)]