514948889

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19717}}^1$

素因数の和:19785

約数の個数: 24

約数和(自身を含む): 660868488

約数和(自身を除く): 145919599

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 3731, 19717, 26117, 138019, 256321, 808397, 966133, 1794247, 5658779, 10509161, 12559729, 39611453, 73564127, 514948889]

約数ペア:

[(1, 514948889), (7, 73564127), (13, 39611453), (41, 12559729), (49, 10509161), (91, 5658779), (287, 1794247), (533, 966133), (637, 808397), (2009, 256321), (3731, 138019), (19717, 26117)]