81891086

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{18353}}^1$

素因数の和:18475

約数の個数: 16

約数和(自身を含む): 129505824

約数和(自身を除く): 47614738

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 18353, 36706, 422119, 844238, 1780241, 3560482, 40945543, 81891086]

約数ペア:

[(1, 81891086), (2, 40945543), (23, 3560482), (46, 1780241), (97, 844238), (194, 422119), (2231, 36706), (4462, 18353)]