280176208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1347001}}^1$

素因数の和:1347022

約数の個数: 20

約数和(自身を含む): 584598868

約数和(自身を除く): 304422660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1347001, 2694002, 5388004, 10776008, 17511013, 21552016, 35022026, 70044052, 140088104, 280176208]

約数ペア:

[(1, 280176208), (2, 140088104), (4, 70044052), (8, 35022026), (13, 21552016), (16, 17511013), (26, 10776008), (52, 5388004), (104, 2694002), (208, 1347001)]