81485812

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{1559}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 145454400

約数和(自身を除く): 63968588

約数列:

[1, 2, 4, 73, 146, 179, 292, 358, 716, 1559, 3118, 6236, 13067, 26134, 52268, 113807, 227614, 279061, 455228, 558122, 1116244, 20371453, 40742906, 81485812]

約数ペア:

[(1, 81485812), (2, 40742906), (4, 20371453), (73, 1116244), (146, 558122), (179, 455228), (292, 279061), (358, 227614), (716, 113807), (1559, 52268), (3118, 26134), (6236, 13067)]