128086415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 168920640

約数和(自身を除く): 40834225

約数列:

[1, 5, 17, 37, 85, 139, 185, 293, 629, 695, 1465, 2363, 3145, 4981, 5143, 10841, 11815, 24905, 25715, 40727, 54205, 87431, 184297, 203635, 437155, 692359, 921485, 1506899, 3461795, 7534495, 25617283, 128086415]

約数ペア:

[(1, 128086415), (5, 25617283), (17, 7534495), (37, 3461795), (85, 1506899), (139, 921485), (185, 692359), (293, 437155), (629, 203635), (695, 184297), (1465, 87431), (2363, 54205), (3145, 40727), (4981, 25715), (5143, 24905), (10841, 11815)]