131279792

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37811}}^1$

素因数の和:37857

約数の個数: 40

約数和(自身を含む): 300076032

約数和(自身を除く): 168796240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 37811, 75622, 151244, 264677, 302488, 529354, 604976, 1058708, 1172141, 2117416, 2344282, 4234832, 4688564, 8204987, 9377128, 16409974, 18754256, 32819948, 65639896, 131279792]

約数ペア:

[(1, 131279792), (2, 65639896), (4, 32819948), (7, 18754256), (8, 16409974), (14, 9377128), (16, 8204987), (28, 4688564), (31, 4234832), (56, 2344282), (62, 2117416), (112, 1172141), (124, 1058708), (217, 604976), (248, 529354), (434, 302488), (496, 264677), (868, 151244), (1736, 75622), (3472, 37811)]