42781564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66431}}^1$

素因数の和:66465

約数の個数: 24

約数和(自身を含む): 89284608

約数和(自身を除く): 46503044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 66431, 132862, 265724, 465017, 930034, 1527913, 1860068, 3055826, 6111652, 10695391, 21390782, 42781564]

約数ペア:

[(1, 42781564), (2, 21390782), (4, 10695391), (7, 6111652), (14, 3055826), (23, 1860068), (28, 1527913), (46, 930034), (92, 465017), (161, 265724), (322, 132862), (644, 66431)]