128450252

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{17443}}^1$

素因数の和:17717

約数の個数: 24

約数和(自身を含む): 257892096

約数和(自身を除く): 129441844

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 3682, 7364, 17443, 34886, 69772, 122101, 244202, 488404, 4587509, 9175018, 18350036, 32112563, 64225126, 128450252]

約数ペア:

[(1, 128450252), (2, 64225126), (4, 32112563), (7, 18350036), (14, 9175018), (28, 4587509), (263, 488404), (526, 244202), (1052, 122101), (1841, 69772), (3682, 34886), (7364, 17443)]