388286795

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{2719}}^1$

素因数の和:2776

約数の個数: 20

約数和(自身を含む): 504957120

約数和(自身を除く): 116670325

約数列:

[1, 5, 13, 65, 169, 845, 2197, 2719, 10985, 13595, 28561, 35347, 142805, 176735, 459511, 2297555, 5973643, 29868215, 77657359, 388286795]

約数ペア:

[(1, 388286795), (5, 77657359), (13, 29868215), (65, 5973643), (169, 2297555), (845, 459511), (2197, 176735), (2719, 142805), (10985, 35347), (13595, 28561)]