128392201

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 153900000

約数和(自身を除く): 25507799

約数列:

[1, 7, 49, 59, 89, 413, 499, 623, 2891, 3493, 4361, 5251, 24451, 29441, 36757, 44411, 206087, 257299, 310877, 1442609, 2176139, 2620249, 18341743, 128392201]

約数ペア:

[(1, 128392201), (7, 18341743), (49, 2620249), (59, 2176139), (89, 1442609), (413, 310877), (499, 257299), (623, 206087), (2891, 44411), (3493, 36757), (4361, 29441), (5251, 24451)]