64472681

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 85344000

約数和(自身を除く): 20871319

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 343, 637, 761, 931, 1729, 4459, 5327, 6517, 9893, 12103, 14459, 37289, 69251, 84721, 101213, 187967, 261023, 484757, 708491, 1315769, 3393299, 4959437, 9210383, 64472681]

約数ペア:

[(1, 64472681), (7, 9210383), (13, 4959437), (19, 3393299), (49, 1315769), (91, 708491), (133, 484757), (247, 261023), (343, 187967), (637, 101213), (761, 84721), (931, 69251), (1729, 37289), (4459, 14459), (5327, 12103), (6517, 9893)]