212730912575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{197889221}}^1$

素因数の和:197889274

約数の個数: 12

約数和(自身を含む): 269920898808

約数和(自身を除く): 57189986233

約数列:

[1, 5, 25, 43, 215, 1075, 197889221, 989446105, 4947230525, 8509236503, 42546182515, 212730912575]

約数ペア:

[(1, 212730912575), (5, 42546182515), (25, 8509236503), (43, 4947230525), (215, 989446105), (1075, 197889221)]