28240338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1321}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 64725120

約数和(自身を除く): 36484782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 1018, 1321, 1527, 2642, 3054, 3563, 3963, 7126, 7926, 9247, 10689, 18494, 21378, 27741, 55482, 672389, 1344778, 2017167, 4034334, 4706723, 9413446, 14120169, 28240338]

約数ペア:

[(1, 28240338), (2, 14120169), (3, 9413446), (6, 4706723), (7, 4034334), (14, 2017167), (21, 1344778), (42, 672389), (509, 55482), (1018, 27741), (1321, 21378), (1527, 18494), (2642, 10689), (3054, 9247), (3563, 7926), (3963, 7126)]