12720258

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{2687}}^1$

素因数の和:2958

約数の個数: 24

約数和(自身を含む): 27675648

約数和(自身を除く): 14955390

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 2687, 4734, 5374, 8061, 16122, 24183, 48366, 706681, 1413362, 2120043, 4240086, 6360129, 12720258]

約数ペア:

[(1, 12720258), (2, 6360129), (3, 4240086), (6, 2120043), (9, 1413362), (18, 706681), (263, 48366), (526, 24183), (789, 16122), (1578, 8061), (2367, 5374), (2687, 4734)]