12687416

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3191}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 14891464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3191, 3976, 6382, 12764, 22337, 25528, 44674, 89348, 178696, 226561, 453122, 906244, 1585927, 1812488, 3171854, 6343708, 12687416]

約数ペア:

[(1, 12687416), (2, 6343708), (4, 3171854), (7, 1812488), (8, 1585927), (14, 906244), (28, 453122), (56, 226561), (71, 178696), (142, 89348), (284, 44674), (497, 25528), (568, 22337), (994, 12764), (1988, 6382), (3191, 3976)]