387624188

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{321947}}^1$

素因数の和:322001

約数の個数: 24

約数和(自身を含む): 793279872

約数和(自身を除く): 405655684

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 321947, 643894, 1287788, 2253629, 4507258, 9014516, 13843721, 27687442, 55374884, 96906047, 193812094, 387624188]

約数ペア:

[(1, 387624188), (2, 193812094), (4, 96906047), (7, 55374884), (14, 27687442), (28, 13843721), (43, 9014516), (86, 4507258), (172, 2253629), (301, 1287788), (602, 643894), (1204, 321947)]