39780002

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:853

約数の個数: 16

約数和(自身を含む): 60362712

約数和(自身を除く): 20582710

約数列:

[1, 2, 193, 257, 386, 401, 514, 802, 49601, 77393, 99202, 103057, 154786, 206114, 19890001, 39780002]

約数ペア:

[(1, 39780002), (2, 19890001), (193, 206114), (257, 154786), (386, 103057), (401, 99202), (514, 77393), (802, 49601)]