1289604242

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{40429}}^1$

素因数の和:40861

約数の個数: 16

約数和(自身を含む): 1986730200

約数和(自身を除く): 697125958

約数列:

[1, 2, 41, 82, 389, 778, 15949, 31898, 40429, 80858, 1657589, 3315178, 15726881, 31453762, 644802121, 1289604242]

約数ペア:

[(1, 1289604242), (2, 644802121), (41, 31453762), (82, 15726881), (389, 3315178), (778, 1657589), (15949, 80858), (31898, 40429)]