66455425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61819}}^1$

素因数の和:61872

約数の個数: 12

約数和(自身を含む): 84322480

約数和(自身を除く): 17867055

約数列:

[1, 5, 25, 43, 215, 1075, 61819, 309095, 1545475, 2658217, 13291085, 66455425]

約数ペア:

[(1, 66455425), (5, 13291085), (25, 2658217), (43, 1545475), (215, 309095), (1075, 61819)]