520739518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{51487}}^1$

素因数の和:51891

約数の個数: 16

約数和(自身を含む): 843373440

約数和(自身を除く): 322633922

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 51487, 102974, 669331, 1338662, 20028443, 40056886, 260369759, 520739518]

約数ペア:

[(1, 520739518), (2, 260369759), (13, 40056886), (26, 20028443), (389, 1338662), (778, 669331), (5057, 102974), (10114, 51487)]