208848025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{177743}}^1$

素因数の和:177800

約数の個数: 12

約数和(自身を含む): 264483072

約数和(自身を除く): 55635047

約数列:

[1, 5, 25, 47, 235, 1175, 177743, 888715, 4443575, 8353921, 41769605, 208848025]

約数ペア:

[(1, 208848025), (5, 41769605), (25, 8353921), (47, 4443575), (235, 888715), (1175, 177743)]