68639788

素因数分解:

$2^2\times 7^5\times {\mathrm{1021}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 140275632

約数和(自身を除く): 71635844

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1021, 1372, 2042, 2401, 4084, 4802, 7147, 9604, 14294, 16807, 28588, 33614, 50029, 67228, 100058, 200116, 350203, 700406, 1400812, 2451421, 4902842, 9805684, 17159947, 34319894, 68639788]

約数ペア:

[(1, 68639788), (2, 34319894), (4, 17159947), (7, 9805684), (14, 4902842), (28, 2451421), (49, 1400812), (98, 700406), (196, 350203), (343, 200116), (686, 100058), (1021, 67228), (1372, 50029), (2042, 33614), (2401, 28588), (4084, 16807), (4802, 14294), (7147, 9604)]