128152941

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 214327296

約数和(自身を除く): 86174355

約数列:

[1, 3, 7, 21, 23, 37, 69, 71, 101, 111, 161, 213, 259, 303, 483, 497, 707, 777, 851, 1491, 1633, 2121, 2323, 2553, 2627, 3737, 4899, 5957, 6969, 7171, 7881, 11211, 11431, 16261, 17871, 18389, 21513, 26159, 34293, 48783, 50197, 55167, 60421, 78477, 85951, 150591, 164933, 181263, 257853, 265327, 422947, 494799, 601657, 795981, 1154531, 1268841, 1804971, 1857289, 3463593, 5571867, 6102521, 18307563, 42717647, 128152941]

約数ペア:

[(1, 128152941), (3, 42717647), (7, 18307563), (21, 6102521), (23, 5571867), (37, 3463593), (69, 1857289), (71, 1804971), (101, 1268841), (111, 1154531), (161, 795981), (213, 601657), (259, 494799), (303, 422947), (483, 265327), (497, 257853), (707, 181263), (777, 164933), (851, 150591), (1491, 85951), (1633, 78477), (2121, 60421), (2323, 55167), (2553, 50197), (2627, 48783), (3737, 34293), (4899, 26159), (5957, 21513), (6969, 18389), (7171, 17871), (7881, 16261), (11211, 11431)]