81661048

素因数分解:

$2^3\times 7^2\times {\mathrm{208319}}^1$

素因数の和:208339

約数の個数: 24

約数和(自身を含む): 178113600

約数和(自身を除く): 96452552

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 208319, 416638, 833276, 1458233, 1666552, 2916466, 5832932, 10207631, 11665864, 20415262, 40830524, 81661048]

約数ペア:

[(1, 81661048), (2, 40830524), (4, 20415262), (7, 11665864), (8, 10207631), (14, 5832932), (28, 2916466), (49, 1666552), (56, 1458233), (98, 833276), (196, 416638), (392, 208319)]