7952994

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 20487168

約数和(自身を除く): 12534174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 98, 126, 127, 142, 147, 213, 254, 294, 381, 426, 441, 497, 639, 762, 882, 889, 994, 1143, 1278, 1491, 1778, 2286, 2667, 2982, 3479, 4473, 5334, 6223, 6958, 8001, 8946, 9017, 10437, 12446, 16002, 18034, 18669, 20874, 27051, 31311, 37338, 54102, 56007, 62622, 63119, 81153, 112014, 126238, 162306, 189357, 378714, 441833, 568071, 883666, 1136142, 1325499, 2650998, 3976497, 7952994]

約数ペア:

[(1, 7952994), (2, 3976497), (3, 2650998), (6, 1325499), (7, 1136142), (9, 883666), (14, 568071), (18, 441833), (21, 378714), (42, 189357), (49, 162306), (63, 126238), (71, 112014), (98, 81153), (126, 63119), (127, 62622), (142, 56007), (147, 54102), (213, 37338), (254, 31311), (294, 27051), (381, 20874), (426, 18669), (441, 18034), (497, 16002), (639, 12446), (762, 10437), (882, 9017), (889, 8946), (994, 8001), (1143, 6958), (1278, 6223), (1491, 5334), (1778, 4473), (2286, 3479), (2667, 2982)]