389620465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{43753}}^1$

素因数の和:43908

約数の個数: 16

約数和(自身を含む): 507196368

約数和(自身を除く): 117575903

約数列:

[1, 5, 13, 65, 137, 685, 1781, 8905, 43753, 218765, 568789, 2843945, 5994161, 29970805, 77924093, 389620465]

約数ペア:

[(1, 389620465), (5, 77924093), (13, 29970805), (65, 5994161), (137, 2843945), (685, 568789), (1781, 218765), (8905, 43753)]