215216204

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{4157}}^1$

素因数の和:4254

約数の個数: 36

約数和(自身を含む): 440781264

約数和(自身を除く): 225565060

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1849, 3698, 4157, 7396, 8314, 12943, 16628, 25886, 29099, 51772, 58198, 116396, 178751, 357502, 715004, 1251257, 2502514, 5005028, 7686293, 15372586, 30745172, 53804051, 107608102, 215216204]

約数ペア:

[(1, 215216204), (2, 107608102), (4, 53804051), (7, 30745172), (14, 15372586), (28, 7686293), (43, 5005028), (86, 2502514), (172, 1251257), (301, 715004), (602, 357502), (1204, 178751), (1849, 116396), (3698, 58198), (4157, 51772), (7396, 29099), (8314, 25886), (12943, 16628)]