285087452

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{421727}}^1$

素因数の和:421757

約数の個数: 18

約数和(自身を含む): 540233568

約数和(自身を除く): 255146116

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 421727, 843454, 1686908, 5482451, 10964902, 21929804, 71271863, 142543726, 285087452]

約数ペア:

[(1, 285087452), (2, 142543726), (4, 71271863), (13, 21929804), (26, 10964902), (52, 5482451), (169, 1686908), (338, 843454), (676, 421727)]