289711292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{428567}}^1$

素因数の和:428597

約数の個数: 18

約数和(自身を含む): 548995608

約数和(自身を除く): 259284316

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 428567, 857134, 1714268, 5571371, 11142742, 22285484, 72427823, 144855646, 289711292]

約数ペア:

[(1, 289711292), (2, 144855646), (4, 72427823), (13, 22285484), (26, 11142742), (52, 5571371), (169, 1714268), (338, 857134), (676, 428567)]