320435492

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{474017}}^1$

素因数の和:474047

約数の個数: 18

約数和(自身を含む): 607217058

約数和(自身を除く): 286781566

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 474017, 948034, 1896068, 6162221, 12324442, 24648884, 80108873, 160217746, 320435492]

約数ペア:

[(1, 320435492), (2, 160217746), (4, 80108873), (13, 24648884), (26, 12324442), (52, 6162221), (169, 1896068), (338, 948034), (676, 474017)]