42973255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4211}}^1$

素因数の和:4386

約数の個数: 16

約数和(自身を含む): 55901664

約数和(自身を除く): 12928409

約数列:

[1, 5, 13, 65, 157, 785, 2041, 4211, 10205, 21055, 54743, 273715, 661127, 3305635, 8594651, 42973255]

約数ペア:

[(1, 42973255), (5, 8594651), (13, 3305635), (65, 661127), (157, 273715), (785, 54743), (2041, 21055), (4211, 10205)]