1311426882538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1\times {\mathrm{208003}}^1$

素因数の和:210106

約数の個数: 32

約数和(自身を含む): 2096680320000

約数和(自身を除く): 785253437462

約数列:

[1, 2, 19, 38, 83, 166, 1577, 1999, 3154, 3998, 37981, 75962, 165917, 208003, 331834, 416006, 3152423, 3952057, 6304846, 7904114, 17264249, 34528498, 328020731, 415797997, 656041462, 831595994, 7900161943, 15800323886, 34511233751, 69022467502, 655713441269, 1311426882538]

約数ペア:

[(1, 1311426882538), (2, 655713441269), (19, 69022467502), (38, 34511233751), (83, 15800323886), (166, 7900161943), (1577, 831595994), (1999, 656041462), (3154, 415797997), (3998, 328020731), (37981, 34528498), (75962, 17264249), (165917, 7904114), (208003, 6304846), (331834, 3952057), (416006, 3152423)]