2040147781

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{128903}}^1$

素因数の和:128953

約数の個数: 24

約数和(自身を含む): 2645110080

約数和(自身を除く): 604962299

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 15827, 128903, 902321, 2191351, 2449157, 6316247, 15339457, 17144099, 41635669, 107376199, 120008693, 291449683, 2040147781]

約数ペア:

[(1, 2040147781), (7, 291449683), (17, 120008693), (19, 107376199), (49, 41635669), (119, 17144099), (133, 15339457), (323, 6316247), (833, 2449157), (931, 2191351), (2261, 902321), (15827, 128903)]