388163402

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{15881}}^1$

素因数の和:16006

約数の個数: 24

約数和(自身を含む): 646365636

約数和(自身を除く): 258202234

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 12221, 15881, 24442, 31762, 174691, 349382, 1603981, 1921601, 3207962, 3843202, 17643791, 35287582, 194081701, 388163402]

約数ペア:

[(1, 388163402), (2, 194081701), (11, 35287582), (22, 17643791), (101, 3843202), (121, 3207962), (202, 1921601), (242, 1603981), (1111, 349382), (2222, 174691), (12221, 31762), (15881, 24442)]