12215042

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6277}}^1$

素因数の和:6425

約数の個数: 16

約数和(自身を含む): 21094080

約数和(自身を除く): 8879038

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 6277, 12554, 43939, 87878, 872503, 1745006, 6107521, 12215042]

約数ペア:

[(1, 12215042), (2, 6107521), (7, 1745006), (14, 872503), (139, 87878), (278, 43939), (973, 12554), (1946, 6277)]