12891658

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:958

約数の個数: 24

約数和(自身を含む): 21450528

約数和(自身を除く): 8558870

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 887, 1118, 1774, 7267, 11531, 14534, 23062, 38141, 76282, 149903, 299806, 495833, 991666, 6445829, 12891658]

約数ペア:

[(1, 12891658), (2, 6445829), (13, 991666), (26, 495833), (43, 299806), (86, 149903), (169, 76282), (338, 38141), (559, 23062), (887, 14534), (1118, 11531), (1774, 7267)]