289693208

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{126173}}^1$

素因数の和:126227

約数の個数: 32

約数和(自身を含む): 635916960

約数和(自身を除く): 346223752

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 126173, 252346, 504692, 883211, 1009384, 1766422, 3532844, 5173093, 7065688, 10346186, 20692372, 36211651, 41384744, 72423302, 144846604, 289693208]

約数ペア:

[(1, 289693208), (2, 144846604), (4, 72423302), (7, 41384744), (8, 36211651), (14, 20692372), (28, 10346186), (41, 7065688), (56, 5173093), (82, 3532844), (164, 1766422), (287, 1009384), (328, 883211), (574, 504692), (1148, 252346), (2296, 126173)]