210858575

素因数分解:

$5^2\times {\mathrm{1553}}^1\times {\mathrm{5431}}^1$

素因数の和:6994

約数の個数: 12

約数和(自身を含む): 261681168

約数和(自身を除く): 50822593

約数列:

[1, 5, 25, 1553, 5431, 7765, 27155, 38825, 135775, 8434343, 42171715, 210858575]

約数ペア:

[(1, 210858575), (5, 42171715), (25, 8434343), (1553, 135775), (5431, 38825), (7765, 27155)]