155668825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15451}}^1$

素因数の和:15505

約数の個数: 24

約数和(自身を含む): 214597376

約数和(自身を除く): 58928551

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 15451, 77255, 200863, 386275, 478981, 1004315, 2394905, 5021575, 6226753, 11974525, 31133765, 155668825]

約数ペア:

[(1, 155668825), (5, 31133765), (13, 11974525), (25, 6226753), (31, 5021575), (65, 2394905), (155, 1004315), (325, 478981), (403, 386275), (775, 200863), (2015, 77255), (10075, 15451)]