788678215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{2351}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 1027833408

約数和(自身を除く): 239155193

約数列:

[1, 5, 13, 65, 169, 397, 845, 1985, 2351, 5161, 11755, 25805, 30563, 67093, 152815, 335465, 397319, 933347, 1986595, 4666735, 12133511, 60667555, 157735643, 788678215]

約数ペア:

[(1, 788678215), (5, 157735643), (13, 60667555), (65, 12133511), (169, 4666735), (397, 1986595), (845, 933347), (1985, 397319), (2351, 335465), (5161, 152815), (11755, 67093), (25805, 30563)]