81267284

素因数分解:

$2^2\times 7^2\times {\mathrm{414629}}^1$

素因数の和:414647

約数の個数: 18

約数和(自身を含む): 165437370

約数和(自身を除く): 84170086

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 414629, 829258, 1658516, 2902403, 5804806, 11609612, 20316821, 40633642, 81267284]

約数ペア:

[(1, 81267284), (2, 40633642), (4, 20316821), (7, 11609612), (14, 5804806), (28, 2902403), (49, 1658516), (98, 829258), (196, 414629)]