68920705

素因数分解:

$5^1\times 7^4\times {\mathrm{5741}}^1$

素因数の和:5774

約数の個数: 20

約数和(自身を含む): 96500052

約数和(自身を除く): 27579347

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 5741, 12005, 28705, 40187, 200935, 281309, 1406545, 1969163, 9845815, 13784141, 68920705]

約数ペア:

[(1, 68920705), (5, 13784141), (7, 9845815), (35, 1969163), (49, 1406545), (245, 281309), (343, 200935), (1715, 40187), (2401, 28705), (5741, 12005)]