161242136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 338722560

約数和(自身を除く): 177480424

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 131, 142, 197, 262, 284, 394, 524, 568, 781, 788, 1048, 1441, 1562, 1576, 2167, 2882, 3124, 4334, 5764, 6248, 8668, 9301, 11528, 13987, 17336, 18602, 25807, 27974, 37204, 51614, 55948, 74408, 102311, 103228, 111896, 153857, 204622, 206456, 283877, 307714, 409244, 567754, 615428, 818488, 1135508, 1230856, 1832297, 2271016, 3664594, 7329188, 14658376, 20155267, 40310534, 80621068, 161242136]

約数ペア:

[(1, 161242136), (2, 80621068), (4, 40310534), (8, 20155267), (11, 14658376), (22, 7329188), (44, 3664594), (71, 2271016), (88, 1832297), (131, 1230856), (142, 1135508), (197, 818488), (262, 615428), (284, 567754), (394, 409244), (524, 307714), (568, 283877), (781, 206456), (788, 204622), (1048, 153857), (1441, 111896), (1562, 103228), (1576, 102311), (2167, 74408), (2882, 55948), (3124, 51614), (4334, 37204), (5764, 27974), (6248, 25807), (8668, 18602), (9301, 17336), (11528, 13987)]