80833168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388621}}^1$

素因数の和:388642

約数の個数: 20

約数和(自身を含む): 168661948

約数和(自身を除く): 87828780

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388621, 777242, 1554484, 3108968, 5052073, 6217936, 10104146, 20208292, 40416584, 80833168]

約数ペア:

[(1, 80833168), (2, 40416584), (4, 20208292), (8, 10104146), (13, 6217936), (16, 5052073), (26, 3108968), (52, 1554484), (104, 777242), (208, 388621)]