206870825

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19379}}^1$

素因数の和:19457

約数の個数: 24

約数和(自身を含む): 297986880

約数和(自身を除く): 91116055

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 19379, 96895, 135653, 484475, 678265, 1182119, 3391325, 5910595, 8274833, 29552975, 41374165, 206870825]

約数ペア:

[(1, 206870825), (5, 41374165), (7, 29552975), (25, 8274833), (35, 5910595), (61, 3391325), (175, 1182119), (305, 678265), (427, 484475), (1525, 135653), (2135, 96895), (10675, 19379)]