28581476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 63286272

約数和(自身を除く): 34704796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1307, 1562, 1988, 2614, 3124, 5228, 5467, 9149, 10934, 14377, 18298, 21868, 28754, 36596, 57508, 92797, 100639, 185594, 201278, 371188, 402556, 649579, 1020767, 1299158, 2041534, 2598316, 4083068, 7145369, 14290738, 28581476]

約数ペア:

[(1, 28581476), (2, 14290738), (4, 7145369), (7, 4083068), (11, 2598316), (14, 2041534), (22, 1299158), (28, 1020767), (44, 649579), (71, 402556), (77, 371188), (142, 201278), (154, 185594), (284, 100639), (308, 92797), (497, 57508), (781, 36596), (994, 28754), (1307, 21868), (1562, 18298), (1988, 14377), (2614, 10934), (3124, 9149), (5228, 5467)]