16521895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1794

約数の個数: 16

約数和(自身を含む): 21500640

約数和(自身を除く): 4978745

約数列:

[1, 5, 13, 65, 157, 785, 1619, 2041, 8095, 10205, 21047, 105235, 254183, 1270915, 3304379, 16521895]

約数ペア:

[(1, 16521895), (5, 3304379), (13, 1270915), (65, 254183), (157, 105235), (785, 21047), (1619, 10205), (2041, 8095)]