207508678

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{401}}^1\times {\mathrm{1531}}^1$

素因数の和:1960

約数の個数: 24

約数和(自身を含む): 338109336

約数和(自身を除く): 130600658

約数列:

[1, 2, 13, 26, 169, 338, 401, 802, 1531, 3062, 5213, 10426, 19903, 39806, 67769, 135538, 258739, 517478, 613931, 1227862, 7981103, 15962206, 103754339, 207508678]

約数ペア:

[(1, 207508678), (2, 103754339), (13, 15962206), (26, 7981103), (169, 1227862), (338, 613931), (401, 517478), (802, 258739), (1531, 135538), (3062, 67769), (5213, 39806), (10426, 19903)]