2015215867

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{20393}}^1$

素因数の和:21162

約数の個数: 16

約数和(自身を含む): 2427701760

約数和(自身を除く): 412485893

約数列:

[1, 7, 19, 133, 743, 5201, 14117, 20393, 98819, 142751, 387467, 2712269, 15151999, 106063993, 287887981, 2015215867]

約数ペア:

[(1, 2015215867), (7, 287887981), (19, 106063993), (133, 15151999), (743, 2712269), (5201, 387467), (14117, 142751), (20393, 98819)]