797472290

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{194981}}^1$

素因数の和:195397

約数の個数: 16

約数和(自身を含む): 1438967160

約数和(自身を除く): 641494870

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 194981, 389962, 974905, 1949810, 79747229, 159494458, 398736145, 797472290]

約数ペア:

[(1, 797472290), (2, 398736145), (5, 159494458), (10, 79747229), (409, 1949810), (818, 974905), (2045, 389962), (4090, 194981)]