31639564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{65371}}^1$

素因数の和:65397

約数の個数: 18

約数和(自身を含む): 60861332

約数和(自身を除く): 29221768

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 65371, 130742, 261484, 719081, 1438162, 2876324, 7909891, 15819782, 31639564]

約数ペア:

[(1, 31639564), (2, 15819782), (4, 7909891), (11, 2876324), (22, 1438162), (44, 719081), (121, 261484), (242, 130742), (484, 65371)]