1289778842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{3389}}^1\times {\mathrm{17299}}^1$

素因数の和:20701

約数の個数: 16

約数和(自身を含む): 2111292000

約数和(自身を除く): 821513158

約数列:

[1, 2, 11, 22, 3389, 6778, 17299, 34598, 37279, 74558, 190289, 380578, 58626311, 117252622, 644889421, 1289778842]

約数ペア:

[(1, 1289778842), (2, 644889421), (11, 117252622), (22, 58626311), (3389, 380578), (6778, 190289), (17299, 74558), (34598, 37279)]