28189126

素因数分解:

$2^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{4003}}^1$

素因数の和:4515

約数の個数: 16

約数和(自身を含む): 48432384

約数和(自身を除く): 20243258

約数列:

[1, 2, 7, 14, 503, 1006, 3521, 4003, 7042, 8006, 28021, 56042, 2013509, 4027018, 14094563, 28189126]

約数ペア:

[(1, 28189126), (2, 14094563), (7, 4027018), (14, 2013509), (503, 56042), (1006, 28021), (3521, 8006), (4003, 7042)]