526262009

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 661251528

約数和(自身を除く): 134989519

約数列:

[1, 7, 13, 49, 91, 397, 637, 2081, 2779, 5161, 14567, 19453, 27053, 36127, 101969, 189371, 252889, 826157, 1325597, 5783099, 10740041, 40481693, 75180287, 526262009]

約数ペア:

[(1, 526262009), (7, 75180287), (13, 40481693), (49, 10740041), (91, 5783099), (397, 1325597), (637, 826157), (2081, 252889), (2779, 189371), (5161, 101969), (14567, 36127), (19453, 27053)]