28143388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77317}}^1$

素因数の和:77341

約数の個数: 24

約数和(自身を含む): 60617312

約数和(自身を除く): 32473924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77317, 154634, 309268, 541219, 1005121, 1082438, 2010242, 2164876, 4020484, 7035847, 14071694, 28143388]

約数ペア:

[(1, 28143388), (2, 14071694), (4, 7035847), (7, 4020484), (13, 2164876), (14, 2010242), (26, 1082438), (28, 1005121), (52, 541219), (91, 309268), (182, 154634), (364, 77317)]