178542442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 293529600

約数和(自身を除く): 114987158

約数列:

[1, 2, 13, 26, 127, 139, 254, 278, 389, 778, 1651, 1807, 3302, 3614, 5057, 10114, 17653, 35306, 49403, 54071, 98806, 108142, 229489, 458978, 642239, 702923, 1284478, 1405846, 6867017, 13734034, 89271221, 178542442]

約数ペア:

[(1, 178542442), (2, 89271221), (13, 13734034), (26, 6867017), (127, 1405846), (139, 1284478), (254, 702923), (278, 642239), (389, 458978), (778, 229489), (1651, 108142), (1807, 98806), (3302, 54071), (3614, 49403), (5057, 35306), (10114, 17653)]