215947548

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139501}}^1$

素因数の和:139554

約数の個数: 36

約数和(自身を含む): 558566008

約数和(自身を除く): 342618460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 139501, 279002, 418503, 558004, 837006, 1255509, 1674012, 2511018, 5022036, 5998543, 11997086, 17995629, 23994172, 35991258, 53986887, 71982516, 107973774, 215947548]

約数ペア:

[(1, 215947548), (2, 107973774), (3, 71982516), (4, 53986887), (6, 35991258), (9, 23994172), (12, 17995629), (18, 11997086), (36, 5998543), (43, 5022036), (86, 2511018), (129, 1674012), (172, 1255509), (258, 837006), (387, 558004), (516, 418503), (774, 279002), (1548, 139501)]