28247254

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{10139}}^1$

素因数の和:10347

約数の個数: 16

約数和(自身を含む): 48672000

約数和(自身を除く): 20424746

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 10139, 20278, 70973, 141946, 2017661, 4035322, 14123627, 28247254]

約数ペア:

[(1, 28247254), (2, 14123627), (7, 4035322), (14, 2017661), (199, 141946), (398, 70973), (1393, 20278), (2786, 10139)]