780996818

素因数分解:

$2^1\times 7^1\times {\mathrm{2767}}^1\times {\mathrm{20161}}^1$

素因数の和:22937

約数の個数: 16

約数和(自身を含む): 1339401984

約数和(自身を除く): 558405166

約数列:

[1, 2, 7, 14, 2767, 5534, 19369, 20161, 38738, 40322, 141127, 282254, 55785487, 111570974, 390498409, 780996818]

約数ペア:

[(1, 780996818), (2, 390498409), (7, 111570974), (14, 55785487), (2767, 282254), (5534, 141127), (19369, 40322), (20161, 38738)]