128582212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67961}}^1$

素因数の和:68019

約数の個数: 24

約数和(自身を含む): 251187552

約数和(自身を除く): 122605340

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 67961, 135922, 271844, 747571, 1495142, 2922323, 2990284, 5844646, 11689292, 32145553, 64291106, 128582212]

約数ペア:

[(1, 128582212), (2, 64291106), (4, 32145553), (11, 11689292), (22, 5844646), (43, 2990284), (44, 2922323), (86, 1495142), (172, 747571), (473, 271844), (946, 135922), (1892, 67961)]