31297819

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 38138928

約数和(自身を除く): 6841109

約数列:

[1, 7, 37, 49, 61, 259, 283, 427, 1813, 1981, 2257, 2989, 10471, 13867, 15799, 17263, 73297, 110593, 120841, 513079, 638731, 845887, 4471117, 31297819]

約数ペア:

[(1, 31297819), (7, 4471117), (37, 845887), (49, 638731), (61, 513079), (259, 120841), (283, 110593), (427, 73297), (1813, 17263), (1981, 15799), (2257, 13867), (2989, 10471)]