78966185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4177}}^1$

素因数の和:4400

約数の個数: 16

約数和(自身を含む): 100272000

約数和(自身を除く): 21305815

約数列:

[1, 5, 19, 95, 199, 995, 3781, 4177, 18905, 20885, 79363, 396815, 831223, 4156115, 15793237, 78966185]

約数ペア:

[(1, 78966185), (5, 15793237), (19, 4156115), (95, 831223), (199, 396815), (995, 79363), (3781, 20885), (4177, 18905)]