128953405

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 183794688

約数和(自身を除く): 54841283

約数列:

[1, 5, 7, 35, 41, 73, 205, 287, 365, 511, 1231, 1435, 2555, 2993, 6155, 8617, 14965, 20951, 43085, 50471, 89863, 104755, 252355, 353297, 449315, 629041, 1766485, 3145205, 3684383, 18421915, 25790681, 128953405]

約数ペア:

[(1, 128953405), (5, 25790681), (7, 18421915), (35, 3684383), (41, 3145205), (73, 1766485), (205, 629041), (287, 449315), (365, 353297), (511, 252355), (1231, 104755), (1435, 89863), (2555, 50471), (2993, 43085), (6155, 20951), (8617, 14965)]