25128982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^2$

素因数の和:316

約数の個数: 24

約数和(自身を含む): 40967640

約数和(自身を除く): 15838658

約数列:

[1, 2, 19, 38, 41, 82, 127, 254, 779, 1558, 2413, 4826, 5207, 10414, 16129, 32258, 98933, 197866, 306451, 612902, 661289, 1322578, 12564491, 25128982]

約数ペア:

[(1, 25128982), (2, 12564491), (19, 1322578), (38, 661289), (41, 612902), (82, 306451), (127, 197866), (254, 98933), (779, 32258), (1558, 16129), (2413, 10414), (4826, 5207)]