28171508

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 50413440

約数和(自身を除く): 22241932

約数列:

[1, 2, 4, 61, 122, 244, 263, 439, 526, 878, 1052, 1756, 16043, 26779, 32086, 53558, 64172, 107116, 115457, 230914, 461828, 7042877, 14085754, 28171508]

約数ペア:

[(1, 28171508), (2, 14085754), (4, 7042877), (61, 461828), (122, 230914), (244, 115457), (263, 107116), (439, 64172), (526, 53558), (878, 32086), (1052, 26779), (1756, 16043)]