1990657956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{333779}}^1$

素因数の和:333864

約数の個数: 48

約数和(自身を含む): 5383203840

約数和(自身を除く): 3392545884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 333779, 667558, 1001337, 1335116, 2002674, 2336453, 4005348, 4672906, 7009359, 9345812, 14018718, 23698309, 28037436, 47396618, 71094927, 94793236, 142189854, 165888163, 284379708, 331776326, 497664489, 663552652, 995328978, 1990657956]

約数ペア:

[(1, 1990657956), (2, 995328978), (3, 663552652), (4, 497664489), (6, 331776326), (7, 284379708), (12, 165888163), (14, 142189854), (21, 94793236), (28, 71094927), (42, 47396618), (71, 28037436), (84, 23698309), (142, 14018718), (213, 9345812), (284, 7009359), (426, 4672906), (497, 4005348), (852, 2336453), (994, 2002674), (1491, 1335116), (1988, 1001337), (2982, 667558), (5964, 333779)]