155543564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{321371}}^1$

素因数の和:321397

約数の個数: 18

約数和(自身を含む): 299197332

約数和(自身を除く): 143653768

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 321371, 642742, 1285484, 3535081, 7070162, 14140324, 38885891, 77771782, 155543564]

約数ペア:

[(1, 155543564), (2, 77771782), (4, 38885891), (11, 14140324), (22, 7070162), (44, 3535081), (121, 1285484), (242, 642742), (484, 321371)]