2513749

素因数分解:

$7^2\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 18

約数和(自身を含む): 3078114

約数和(自身を除く): 564365

約数列:

[1, 7, 29, 49, 61, 203, 427, 841, 1421, 1769, 2989, 5887, 12383, 41209, 51301, 86681, 359107, 2513749]

約数ペア:

[(1, 2513749), (7, 359107), (29, 86681), (49, 51301), (61, 41209), (203, 12383), (427, 5887), (841, 2989), (1421, 1769)]