42209735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 53477760

約数和(自身を除く): 11268025

約数列:

[1, 5, 19, 95, 643, 691, 3215, 3455, 12217, 13129, 61085, 65645, 444313, 2221565, 8441947, 42209735]

約数ペア:

[(1, 42209735), (5, 8441947), (19, 2221565), (95, 444313), (643, 65645), (691, 61085), (3215, 13129), (3455, 12217)]