2129771888

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{342187}}^1$

素因数の和:342584

約数の個数: 20

約数和(自身を含む): 4137052920

約数和(自身を除く): 2007281032

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 342187, 684374, 1368748, 2737496, 5474992, 133110743, 266221486, 532442972, 1064885944, 2129771888]

約数ペア:

[(1, 2129771888), (2, 1064885944), (4, 532442972), (8, 266221486), (16, 133110743), (389, 5474992), (778, 2737496), (1556, 1368748), (3112, 684374), (6224, 342187)]