520080065

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 700398396

約数和(自身を除く): 180318331

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 361, 997, 1445, 1615, 1805, 4985, 5491, 6137, 16949, 18943, 27455, 30685, 84745, 94715, 104329, 288133, 322031, 359917, 521645, 1440665, 1610155, 1799585, 5474527, 6118589, 27372635, 30592945, 104016013, 520080065]

約数ペア:

[(1, 520080065), (5, 104016013), (17, 30592945), (19, 27372635), (85, 6118589), (95, 5474527), (289, 1799585), (323, 1610155), (361, 1440665), (997, 521645), (1445, 359917), (1615, 322031), (1805, 288133), (4985, 104329), (5491, 94715), (6137, 84745), (16949, 30685), (18943, 27455)]