978171298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{146389}}^1$

素因数の和:146661

約数の個数: 16

約数和(自身を含む): 1586282040

約数和(自身を除く): 608110742

約数列:

[1, 2, 13, 26, 257, 514, 3341, 6682, 146389, 292778, 1903057, 3806114, 37621973, 75243946, 489085649, 978171298]

約数ペア:

[(1, 978171298), (2, 489085649), (13, 75243946), (26, 37621973), (257, 3806114), (514, 1903057), (3341, 292778), (6682, 146389)]