2459405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 3211824

約数和(自身を除く): 752419

約数列:

[1, 5, 13, 65, 157, 241, 785, 1205, 2041, 3133, 10205, 15665, 37837, 189185, 491881, 2459405]

約数ペア:

[(1, 2459405), (5, 491881), (13, 189185), (65, 37837), (157, 15665), (241, 10205), (785, 3133), (1205, 2041)]