2560649

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 3319680

約数和(自身を除く): 759031

約数列:

[1, 7, 13, 19, 91, 133, 247, 1481, 1729, 10367, 19253, 28139, 134771, 196973, 365807, 2560649]

約数ペア:

[(1, 2560649), (7, 365807), (13, 196973), (19, 134771), (91, 28139), (133, 19253), (247, 10367), (1481, 1729)]