1990824976

素因数分解:

$2^4\times 7^1\times {\mathrm{17775223}}^1$

素因数の和:17775238

約数の個数: 20

約数和(自身を含む): 4408255552

約数和(自身を除く): 2417430576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17775223, 35550446, 71100892, 124426561, 142201784, 248853122, 284403568, 497706244, 995412488, 1990824976]

約数ペア:

[(1, 1990824976), (2, 995412488), (4, 497706244), (7, 284403568), (8, 248853122), (14, 142201784), (16, 124426561), (28, 71100892), (56, 35550446), (112, 17775223)]