56452781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 75755520

約数和(自身を除く): 19302739

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 329, 517, 821, 893, 1463, 3619, 5747, 6251, 9031, 9823, 15599, 38587, 63217, 68761, 109193, 171589, 270109, 424457, 733153, 1201123, 2971199, 5132071, 8064683, 56452781]

約数ペア:

[(1, 56452781), (7, 8064683), (11, 5132071), (19, 2971199), (47, 1201123), (77, 733153), (133, 424457), (209, 270109), (329, 171589), (517, 109193), (821, 68761), (893, 63217), (1463, 38587), (3619, 15599), (5747, 9823), (6251, 9031)]