1340371378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{665527}}^1$

素因数の和:665601

約数の個数: 16

約数和(自身を含む): 2156310720

約数和(自身を除く): 815939342

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 665527, 1331054, 12645013, 25290026, 35272931, 70545862, 670185689, 1340371378]

約数ペア:

[(1, 1340371378), (2, 670185689), (19, 70545862), (38, 35272931), (53, 25290026), (106, 12645013), (1007, 1331054), (2014, 665527)]