66695209

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2777}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 78939648

約数和(自身を除く): 12244439

約数列:

[1, 7, 47, 73, 329, 511, 2777, 3431, 19439, 24017, 130519, 202721, 913633, 1419047, 9527887, 66695209]

約数ペア:

[(1, 66695209), (7, 9527887), (47, 1419047), (73, 913633), (329, 202721), (511, 130519), (2777, 24017), (3431, 19439)]