12642049

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 15941760

約数和(自身を除く): 3299711

約数列:

[1, 7, 19, 37, 49, 133, 259, 367, 703, 931, 1813, 2569, 4921, 6973, 13579, 17983, 34447, 48811, 95053, 258001, 341677, 665371, 1806007, 12642049]

約数ペア:

[(1, 12642049), (7, 1806007), (19, 665371), (37, 341677), (49, 258001), (133, 95053), (259, 48811), (367, 34447), (703, 17983), (931, 13579), (1813, 6973), (2569, 4921)]