397996912081

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{797}}^1\times {\mathrm{19483}}^1$

素因数の和:20389

約数の個数: 24

約数和(自身を含む): 426519100224

約数和(自身を除く): 28522188143

約数列:

[1, 19, 71, 361, 797, 1349, 15143, 19483, 25631, 56587, 287717, 370177, 1075153, 1383293, 7033363, 15527951, 20427907, 26282567, 295031069, 499368773, 1102484521, 5605590311, 20947205899, 397996912081]

約数ペア:

[(1, 397996912081), (19, 20947205899), (71, 5605590311), (361, 1102484521), (797, 499368773), (1349, 295031069), (15143, 26282567), (19483, 20427907), (25631, 15527951), (56587, 7033363), (287717, 1383293), (370177, 1075153)]