213048208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 420874848

約数和(自身を除く): 207826640

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 353, 536, 563, 706, 1072, 1126, 1412, 2252, 2824, 4504, 5648, 9008, 23651, 37721, 47302, 75442, 94604, 150884, 189208, 198739, 301768, 378416, 397478, 603536, 794956, 1589912, 3179824, 13315513, 26631026, 53262052, 106524104, 213048208]

約数ペア:

[(1, 213048208), (2, 106524104), (4, 53262052), (8, 26631026), (16, 13315513), (67, 3179824), (134, 1589912), (268, 794956), (353, 603536), (536, 397478), (563, 378416), (706, 301768), (1072, 198739), (1126, 189208), (1412, 150884), (2252, 94604), (2824, 75442), (4504, 47302), (5648, 37721), (9008, 23651)]