438448

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 20

約数和(自身を含む): 864280

約数和(自身を除く): 425832

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 409, 536, 818, 1072, 1636, 3272, 6544, 27403, 54806, 109612, 219224, 438448]

約数ペア:

[(1, 438448), (2, 219224), (4, 109612), (8, 54806), (16, 27403), (67, 6544), (134, 3272), (268, 1636), (409, 1072), (536, 818)]