520714

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 838080

約数和(自身を除く): 317366

約数列:

[1, 2, 19, 38, 71, 142, 193, 386, 1349, 2698, 3667, 7334, 13703, 27406, 260357, 520714]

約数ペア:

[(1, 520714), (2, 260357), (19, 27406), (38, 13703), (71, 7334), (142, 3667), (193, 2698), (386, 1349)]