199447836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 543303936

約数和(自身を除く): 343856100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 431, 588, 787, 862, 1293, 1574, 1724, 2361, 2586, 3017, 3148, 4722, 5172, 5509, 6034, 9051, 9444, 11018, 12068, 16527, 18102, 21119, 22036, 33054, 36204, 38563, 42238, 63357, 66108, 77126, 84476, 115689, 126714, 154252, 231378, 253428, 339197, 462756, 678394, 1017591, 1356788, 2035182, 2374379, 4070364, 4748758, 7123137, 9497516, 14246274, 16620653, 28492548, 33241306, 49861959, 66482612, 99723918, 199447836]

約数ペア:

[(1, 199447836), (2, 99723918), (3, 66482612), (4, 49861959), (6, 33241306), (7, 28492548), (12, 16620653), (14, 14246274), (21, 9497516), (28, 7123137), (42, 4748758), (49, 4070364), (84, 2374379), (98, 2035182), (147, 1356788), (196, 1017591), (294, 678394), (431, 462756), (588, 339197), (787, 253428), (862, 231378), (1293, 154252), (1574, 126714), (1724, 115689), (2361, 84476), (2586, 77126), (3017, 66108), (3148, 63357), (4722, 42238), (5172, 38563), (5509, 36204), (6034, 33054), (9051, 22036), (9444, 21119), (11018, 18102), (12068, 16527)]