280051252

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{414277}}^1$

素因数の和:414307

約数の個数: 18

約数和(自身を含む): 530690118

約数和(自身を除く): 250638866

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 414277, 828554, 1657108, 5385601, 10771202, 21542404, 70012813, 140025626, 280051252]

約数ペア:

[(1, 280051252), (2, 140025626), (4, 70012813), (13, 21542404), (26, 10771202), (52, 5385601), (169, 1657108), (338, 828554), (676, 414277)]