81163676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{3851}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 155312640

約数和(自身を除く): 74148964

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 1916, 3851, 5269, 7702, 10538, 15404, 21076, 42361, 84722, 169444, 1844629, 3689258, 7378516, 20290919, 40581838, 81163676]

約数ペア:

[(1, 81163676), (2, 40581838), (4, 20290919), (11, 7378516), (22, 3689258), (44, 1844629), (479, 169444), (958, 84722), (1916, 42361), (3851, 21076), (5269, 15404), (7702, 10538)]