38720134

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1391

約数の個数: 16

約数和(自身を含む): 59183136

約数和(自身を除く): 20463002

約数列:

[1, 2, 71, 142, 257, 514, 1061, 2122, 18247, 36494, 75331, 150662, 272677, 545354, 19360067, 38720134]

約数ペア:

[(1, 38720134), (2, 19360067), (71, 545354), (142, 272677), (257, 150662), (514, 75331), (1061, 36494), (2122, 18247)]