15964123

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4139}}^1$

素因数の和:4194

約数の個数: 16

約数和(自身を含む): 19872000

約数和(自身を除く): 3907877

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 4139, 28973, 78641, 120031, 550487, 840217, 2280589, 15964123]

約数ペア:

[(1, 15964123), (7, 2280589), (19, 840217), (29, 550487), (133, 120031), (203, 78641), (551, 28973), (3857, 4139)]