1640642686

素因数分解:

$2^1\times {\mathrm{241}}^1\times {\mathrm{839}}^1\times {\mathrm{4057}}^1$

素因数の和:5139

約数の個数: 16

約数和(自身を含む): 2474730720

約数和(自身を除く): 834088034

約数列:

[1, 2, 241, 482, 839, 1678, 4057, 8114, 202199, 404398, 977737, 1955474, 3403823, 6807646, 820321343, 1640642686]

約数ペア:

[(1, 1640642686), (2, 820321343), (241, 6807646), (482, 3403823), (839, 1955474), (1678, 977737), (4057, 404398), (8114, 202199)]