51856415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 71232000

約数和(自身を除く): 19375585

約数列:

[1, 5, 13, 19, 65, 95, 199, 211, 247, 995, 1055, 1235, 2587, 2743, 3781, 4009, 12935, 13715, 18905, 20045, 41989, 49153, 52117, 209945, 245765, 260585, 545857, 797791, 2729285, 3988955, 10371283, 51856415]

約数ペア:

[(1, 51856415), (5, 10371283), (13, 3988955), (19, 2729285), (65, 797791), (95, 545857), (199, 260585), (211, 245765), (247, 209945), (995, 52117), (1055, 49153), (1235, 41989), (2587, 20045), (2743, 18905), (3781, 13715), (4009, 12935)]