81005764

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{39631}}^1$

素因数の和:39715

約数の個数: 24

約数和(自身を含む): 164235008

約数和(自身を除く): 83229244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 39631, 79262, 158524, 277417, 554834, 1109668, 2893063, 5786126, 11572252, 20251441, 40502882, 81005764]

約数ペア:

[(1, 81005764), (2, 40502882), (4, 20251441), (7, 11572252), (14, 5786126), (28, 2893063), (73, 1109668), (146, 554834), (292, 277417), (511, 158524), (1022, 79262), (2044, 39631)]