291215489

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{5087}}^1$

素因数の和:5260

約数の個数: 16

約数和(自身を含む): 322375680

約数和(自身を除く): 31160191

約数列:

[1, 19, 23, 131, 437, 2489, 3013, 5087, 57247, 96653, 117001, 666397, 2223019, 12661543, 15327131, 291215489]

約数ペア:

[(1, 291215489), (19, 15327131), (23, 12661543), (131, 2223019), (437, 666397), (2489, 117001), (3013, 96653), (5087, 57247)]