201028205

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 282610944

約数和(自身を除く): 81582739

約数列:

[1, 5, 7, 35, 53, 265, 307, 353, 371, 1535, 1765, 1855, 2149, 2471, 10745, 12355, 16271, 18709, 81355, 93545, 108371, 113897, 130963, 541855, 569485, 654815, 758597, 3792985, 5743663, 28718315, 40205641, 201028205]

約数ペア:

[(1, 201028205), (5, 40205641), (7, 28718315), (35, 5743663), (53, 3792985), (265, 758597), (307, 654815), (353, 569485), (371, 541855), (1535, 130963), (1765, 113897), (1855, 108371), (2149, 93545), (2471, 81355), (10745, 18709), (12355, 16271)]