2017019875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{1241243}}^1$

素因数の和:1241271

約数の個数: 16

約数和(自身を含む): 2710876896

約数和(自身を除く): 693857021

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 1241243, 6206215, 16136159, 31031075, 80680795, 155155375, 403403975, 2017019875]

約数ペア:

[(1, 2017019875), (5, 403403975), (13, 155155375), (25, 80680795), (65, 31031075), (125, 16136159), (325, 6206215), (1625, 1241243)]