80958484

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21061}}^1$

素因数の和:21127

約数の個数: 18

約数和(自身を含む): 146401962

約数和(自身を除く): 65443478

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21061, 42122, 84244, 652891, 1305782, 2611564, 20239621, 40479242, 80958484]

約数ペア:

[(1, 80958484), (2, 40479242), (4, 20239621), (31, 2611564), (62, 1305782), (124, 652891), (961, 84244), (1922, 42122), (3844, 21061)]