42147955

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 53428032

約数和(自身を除く): 11280077

約数列:

[1, 5, 43, 47, 97, 215, 235, 485, 1849, 2021, 4171, 4559, 9245, 10105, 20855, 22795, 86903, 179353, 196037, 434515, 896765, 980185, 8429591, 42147955]

約数ペア:

[(1, 42147955), (5, 8429591), (43, 980185), (47, 896765), (97, 434515), (215, 196037), (235, 179353), (485, 86903), (1849, 22795), (2021, 20855), (4171, 10105), (4559, 9245)]