1971933875

素因数分解:

$5^3\times {\mathrm{1021}}^1\times {\mathrm{15451}}^1$

素因数の和:16487

約数の個数: 16

約数和(自身を含む): 2463543264

約数和(自身を除く): 491609389

約数列:

[1, 5, 25, 125, 1021, 5105, 15451, 25525, 77255, 127625, 386275, 1931375, 15775471, 78877355, 394386775, 1971933875]

約数ペア:

[(1, 1971933875), (5, 394386775), (25, 78877355), (125, 15775471), (1021, 1931375), (5105, 386275), (15451, 127625), (25525, 77255)]