310838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 16

約数和(自身を含む): 518400

約数和(自身を除く): 207562

約数列:

[1, 2, 11, 22, 71, 142, 199, 398, 781, 1562, 2189, 4378, 14129, 28258, 155419, 310838]

約数ペア:

[(1, 310838), (2, 155419), (11, 28258), (22, 14129), (71, 4378), (142, 2189), (199, 1562), (398, 781)]