205917845

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{10639}}^1$

素因数の和:10737

約数の個数: 24

約数和(自身を含む): 291110400

約数和(自身を除く): 85192555

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 10639, 19355, 53195, 74473, 372365, 521311, 840481, 2606555, 4202405, 5883367, 29416835, 41183569, 205917845]

約数ペア:

[(1, 205917845), (5, 41183569), (7, 29416835), (35, 5883367), (49, 4202405), (79, 2606555), (245, 840481), (395, 521311), (553, 372365), (2765, 74473), (3871, 53195), (10639, 19355)]