209634005

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{10831}}^1$

素因数の和:10929

約数の個数: 24

約数和(自身を含む): 296363520

約数和(自身を除く): 86729515

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 10831, 19355, 54155, 75817, 379085, 530719, 855649, 2653595, 4278245, 5989543, 29947715, 41926801, 209634005]

約数ペア:

[(1, 209634005), (5, 41926801), (7, 29947715), (35, 5989543), (49, 4278245), (79, 2653595), (245, 855649), (395, 530719), (553, 379085), (2765, 75817), (3871, 54155), (10831, 19355)]