217964556

素因数分解:

$2^2\times 3^2\times {\mathrm{6054571}}^1$

素因数の和:6054581

約数の個数: 18

約数和(自身を含む): 550966052

約数和(自身を除く): 333001496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 6054571, 12109142, 18163713, 24218284, 36327426, 54491139, 72654852, 108982278, 217964556]

約数ペア:

[(1, 217964556), (2, 108982278), (3, 72654852), (4, 54491139), (6, 36327426), (9, 24218284), (12, 18163713), (18, 12109142), (36, 6054571)]