13256705

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4919}}^1$

素因数の和:4949

約数の個数: 24

約数和(自身を含む): 20191680

約数和(自身を除く): 6934975

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4919, 24595, 34433, 54109, 172165, 241031, 270545, 378763, 1205155, 1893815, 2651341, 13256705]

約数ペア:

[(1, 13256705), (5, 2651341), (7, 1893815), (11, 1205155), (35, 378763), (49, 270545), (55, 241031), (77, 172165), (245, 54109), (385, 34433), (539, 24595), (2695, 4919)]