209538842

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{5431}}^1$

素因数の和:5725

約数の個数: 16

約数和(自身を含む): 319140864

約数和(自身を除く): 109602022

約数列:

[1, 2, 101, 191, 202, 382, 5431, 10862, 19291, 38582, 548531, 1037321, 1097062, 2074642, 104769421, 209538842]

約数ペア:

[(1, 209538842), (2, 104769421), (101, 2074642), (191, 1097062), (202, 1037321), (382, 548531), (5431, 38582), (10862, 19291)]