87783278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{20051}}^1$

素因数の和:20263

約数の個数: 16

約数和(自身を含む): 144374400

約数和(自身を除く): 56591122

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 20051, 40102, 220561, 441122, 3990149, 7980298, 43891639, 87783278]

約数ペア:

[(1, 87783278), (2, 43891639), (11, 7980298), (22, 3990149), (199, 441122), (398, 220561), (2189, 40102), (4378, 20051)]