16189278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 22379682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 71, 89, 122, 142, 178, 183, 213, 267, 366, 426, 427, 497, 534, 623, 854, 994, 1246, 1281, 1491, 1869, 2562, 2982, 3738, 4331, 5429, 6319, 8662, 10858, 12638, 12993, 16287, 18957, 25986, 30317, 32574, 37914, 38003, 44233, 60634, 76006, 88466, 90951, 114009, 132699, 181902, 228018, 265398, 385459, 770918, 1156377, 2312754, 2698213, 5396426, 8094639, 16189278]

約数ペア:

[(1, 16189278), (2, 8094639), (3, 5396426), (6, 2698213), (7, 2312754), (14, 1156377), (21, 770918), (42, 385459), (61, 265398), (71, 228018), (89, 181902), (122, 132699), (142, 114009), (178, 90951), (183, 88466), (213, 76006), (267, 60634), (366, 44233), (426, 38003), (427, 37914), (497, 32574), (534, 30317), (623, 25986), (854, 18957), (994, 16287), (1246, 12993), (1281, 12638), (1491, 10858), (1869, 8662), (2562, 6319), (2982, 5429), (3738, 4331)]