208165738

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{7109}}^1$

素因数の和:7155

約数の個数: 20

約数和(自身を含む): 343519650

約数和(自身を除く): 135353912

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7109, 14218, 14641, 29282, 78199, 156398, 860189, 1720378, 9462079, 18924158, 104082869, 208165738]

約数ペア:

[(1, 208165738), (2, 104082869), (11, 18924158), (22, 9462079), (121, 1720378), (242, 860189), (1331, 156398), (2662, 78199), (7109, 29282), (14218, 14641)]