405220595

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{1423}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 528480576

約数和(自身を除く): 123259981

約数列:

[1, 5, 13, 65, 169, 337, 845, 1423, 1685, 4381, 7115, 18499, 21905, 56953, 92495, 240487, 284765, 479551, 1202435, 2397755, 6234163, 31170815, 81044119, 405220595]

約数ペア:

[(1, 405220595), (5, 81044119), (13, 31170815), (65, 6234163), (169, 2397755), (337, 1202435), (845, 479551), (1423, 284765), (1685, 240487), (4381, 92495), (7115, 56953), (18499, 21905)]