26991228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 71724240

約数和(自身を除く): 44733012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 121, 132, 174, 242, 319, 348, 363, 484, 638, 641, 726, 957, 1276, 1282, 1452, 1914, 1923, 2564, 3509, 3828, 3846, 7018, 7051, 7692, 10527, 14036, 14102, 18589, 21054, 21153, 28204, 37178, 42108, 42306, 55767, 74356, 77561, 84612, 111534, 155122, 204479, 223068, 232683, 310244, 408958, 465366, 613437, 817916, 930732, 1226874, 2249269, 2453748, 4498538, 6747807, 8997076, 13495614, 26991228]

約数ペア:

[(1, 26991228), (2, 13495614), (3, 8997076), (4, 6747807), (6, 4498538), (11, 2453748), (12, 2249269), (22, 1226874), (29, 930732), (33, 817916), (44, 613437), (58, 465366), (66, 408958), (87, 310244), (116, 232683), (121, 223068), (132, 204479), (174, 155122), (242, 111534), (319, 84612), (348, 77561), (363, 74356), (484, 55767), (638, 42306), (641, 42108), (726, 37178), (957, 28204), (1276, 21153), (1282, 21054), (1452, 18589), (1914, 14102), (1923, 14036), (2564, 10527), (3509, 7692), (3828, 7051), (3846, 7018)]