858873055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 1100736000

約数和(自身を除く): 241862945

約数列:

[1, 5, 19, 95, 181, 199, 251, 905, 995, 1255, 3439, 3781, 4769, 17195, 18905, 23845, 36019, 45431, 49949, 180095, 227155, 249745, 684361, 863189, 949031, 3421805, 4315945, 4745155, 9040769, 45203845, 171774611, 858873055]

約数ペア:

[(1, 858873055), (5, 171774611), (19, 45203845), (95, 9040769), (181, 4745155), (199, 4315945), (251, 3421805), (905, 949031), (995, 863189), (1255, 684361), (3439, 249745), (3781, 227155), (4769, 180095), (17195, 49949), (18905, 45431), (23845, 36019)]