81265912

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 196499520

約数和(自身を除く): 115233608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 74, 91, 98, 104, 148, 182, 196, 259, 296, 364, 392, 431, 481, 518, 637, 728, 862, 962, 1036, 1274, 1724, 1813, 1924, 2072, 2548, 3017, 3367, 3448, 3626, 3848, 5096, 5603, 6034, 6734, 7252, 11206, 12068, 13468, 14504, 15947, 21119, 22412, 23569, 24136, 26936, 31894, 39221, 42238, 44824, 47138, 63788, 78442, 84476, 94276, 111629, 127576, 156884, 168952, 188552, 207311, 223258, 274547, 313768, 414622, 446516, 549094, 781403, 829244, 893032, 1098188, 1451177, 1562806, 1658488, 2196376, 2902354, 3125612, 5804708, 6251224, 10158239, 11609416, 20316478, 40632956, 81265912]

約数ペア:

[(1, 81265912), (2, 40632956), (4, 20316478), (7, 11609416), (8, 10158239), (13, 6251224), (14, 5804708), (26, 3125612), (28, 2902354), (37, 2196376), (49, 1658488), (52, 1562806), (56, 1451177), (74, 1098188), (91, 893032), (98, 829244), (104, 781403), (148, 549094), (182, 446516), (196, 414622), (259, 313768), (296, 274547), (364, 223258), (392, 207311), (431, 188552), (481, 168952), (518, 156884), (637, 127576), (728, 111629), (862, 94276), (962, 84476), (1036, 78442), (1274, 63788), (1724, 47138), (1813, 44824), (1924, 42238), (2072, 39221), (2548, 31894), (3017, 26936), (3367, 24136), (3448, 23569), (3626, 22412), (3848, 21119), (5096, 15947), (5603, 14504), (6034, 13468), (6734, 12068), (7252, 11206)]