31248378

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:592

約数の個数: 72

約数和(自身を含む): 80028000

約数和(自身を除く): 48779622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 71, 98, 126, 142, 147, 213, 294, 426, 441, 497, 499, 639, 882, 994, 998, 1278, 1491, 1497, 2982, 2994, 3479, 3493, 4473, 4491, 6958, 6986, 8946, 8982, 10437, 10479, 20874, 20958, 24451, 31311, 31437, 35429, 48902, 62622, 62874, 70858, 73353, 106287, 146706, 212574, 220059, 248003, 318861, 440118, 496006, 637722, 744009, 1488018, 1736021, 2232027, 3472042, 4464054, 5208063, 10416126, 15624189, 31248378]

約数ペア:

[(1, 31248378), (2, 15624189), (3, 10416126), (6, 5208063), (7, 4464054), (9, 3472042), (14, 2232027), (18, 1736021), (21, 1488018), (42, 744009), (49, 637722), (63, 496006), (71, 440118), (98, 318861), (126, 248003), (142, 220059), (147, 212574), (213, 146706), (294, 106287), (426, 73353), (441, 70858), (497, 62874), (499, 62622), (639, 48902), (882, 35429), (994, 31437), (998, 31311), (1278, 24451), (1491, 20958), (1497, 20874), (2982, 10479), (2994, 10437), (3479, 8982), (3493, 8946), (4473, 6986), (4491, 6958)]