12997825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 16793568

約数和(自身を除く): 3795743

約数列:

[1, 5, 25, 43, 107, 113, 215, 535, 565, 1075, 2675, 2825, 4601, 4859, 12091, 23005, 24295, 60455, 115025, 121475, 302275, 519913, 2599565, 12997825]

約数ペア:

[(1, 12997825), (5, 2599565), (25, 519913), (43, 302275), (107, 121475), (113, 115025), (215, 60455), (535, 24295), (565, 23005), (1075, 12091), (2675, 4859), (2825, 4601)]