81276444

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 214556160

約数和(自身を除く): 133279716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 174, 254, 261, 348, 381, 508, 522, 613, 762, 1044, 1143, 1226, 1524, 1839, 2286, 2452, 3678, 3683, 4572, 5517, 7356, 7366, 11034, 11049, 14732, 17777, 22068, 22098, 33147, 35554, 44196, 53331, 66294, 71108, 77851, 106662, 132588, 155702, 159993, 213324, 233553, 311404, 319986, 467106, 639972, 700659, 934212, 1401318, 2257679, 2802636, 4515358, 6773037, 9030716, 13546074, 20319111, 27092148, 40638222, 81276444]

約数ペア:

[(1, 81276444), (2, 40638222), (3, 27092148), (4, 20319111), (6, 13546074), (9, 9030716), (12, 6773037), (18, 4515358), (29, 2802636), (36, 2257679), (58, 1401318), (87, 934212), (116, 700659), (127, 639972), (174, 467106), (254, 319986), (261, 311404), (348, 233553), (381, 213324), (508, 159993), (522, 155702), (613, 132588), (762, 106662), (1044, 77851), (1143, 71108), (1226, 66294), (1524, 53331), (1839, 44196), (2286, 35554), (2452, 33147), (3678, 22098), (3683, 22068), (4572, 17777), (5517, 14732), (7356, 11049), (7366, 11034)]