291257356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2213}}^1\times {\mathrm{2531}}^1$

素因数の和:4761

約数の個数: 24

約数和(自身を含む): 549373104

約数和(自身を除く): 258115748

約数列:

[1, 2, 4, 13, 26, 52, 2213, 2531, 4426, 5062, 8852, 10124, 28769, 32903, 57538, 65806, 115076, 131612, 5601103, 11202206, 22404412, 72814339, 145628678, 291257356]

約数ペア:

[(1, 291257356), (2, 145628678), (4, 72814339), (13, 22404412), (26, 11202206), (52, 5601103), (2213, 131612), (2531, 115076), (4426, 65806), (5062, 57538), (8852, 32903), (10124, 28769)]