81563862

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{316139}}^1$

素因数の和:316187

約数の個数: 16

約数和(自身を含む): 166921920

約数和(自身を除く): 85358058

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 316139, 632278, 948417, 1896834, 13593977, 27187954, 40781931, 81563862]

約数ペア:

[(1, 81563862), (2, 40781931), (3, 27187954), (6, 13593977), (43, 1896834), (86, 948417), (129, 632278), (258, 316139)]