685215713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 859251456

約数和(自身を除く): 174035743

約数列:

[1, 7, 13, 83, 91, 257, 353, 581, 1079, 1799, 2471, 3341, 4589, 7553, 21331, 23387, 29299, 32123, 90721, 149317, 205093, 277303, 380887, 635047, 1179373, 1941121, 2666209, 7529843, 8255611, 52708901, 97887959, 685215713]

約数ペア:

[(1, 685215713), (7, 97887959), (13, 52708901), (83, 8255611), (91, 7529843), (257, 2666209), (353, 1941121), (581, 1179373), (1079, 635047), (1799, 380887), (2471, 277303), (3341, 205093), (4589, 149317), (7553, 90721), (21331, 32123), (23387, 29299)]