78808912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 111178928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 113, 182, 208, 226, 364, 452, 479, 728, 791, 904, 958, 1456, 1469, 1582, 1808, 1916, 2938, 3164, 3353, 3832, 5876, 6227, 6328, 6706, 7664, 10283, 11752, 12454, 12656, 13412, 20566, 23504, 24908, 26824, 41132, 43589, 49816, 53648, 54127, 82264, 87178, 99632, 108254, 164528, 174356, 216508, 348712, 378889, 433016, 697424, 703651, 757778, 866032, 1407302, 1515556, 2814604, 3031112, 4925557, 5629208, 6062224, 9851114, 11258416, 19702228, 39404456, 78808912]

約数ペア:

[(1, 78808912), (2, 39404456), (4, 19702228), (7, 11258416), (8, 9851114), (13, 6062224), (14, 5629208), (16, 4925557), (26, 3031112), (28, 2814604), (52, 1515556), (56, 1407302), (91, 866032), (104, 757778), (112, 703651), (113, 697424), (182, 433016), (208, 378889), (226, 348712), (364, 216508), (452, 174356), (479, 164528), (728, 108254), (791, 99632), (904, 87178), (958, 82264), (1456, 54127), (1469, 53648), (1582, 49816), (1808, 43589), (1916, 41132), (2938, 26824), (3164, 24908), (3353, 23504), (3832, 20566), (5876, 13412), (6227, 12656), (6328, 12454), (6706, 11752), (7664, 10283)]