15938435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 5834365

約数列:

[1, 5, 17, 19, 71, 85, 95, 139, 323, 355, 695, 1207, 1349, 1615, 2363, 2641, 6035, 6745, 9869, 11815, 13205, 22933, 44897, 49345, 114665, 167773, 187511, 224485, 838865, 937555, 3187687, 15938435]

約数ペア:

[(1, 15938435), (5, 3187687), (17, 937555), (19, 838865), (71, 224485), (85, 187511), (95, 167773), (139, 114665), (323, 49345), (355, 44897), (695, 22933), (1207, 13205), (1349, 11815), (1615, 9869), (2363, 6745), (2641, 6035)]