209725642

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{205211}}^1$

素因数の和:205293

約数の個数: 16

約数和(自身を含む): 364456512

約数和(自身を除く): 154730870

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 205211, 410422, 1436477, 2872954, 14980403, 29960806, 104862821, 209725642]

約数ペア:

[(1, 209725642), (2, 104862821), (7, 29960806), (14, 14980403), (73, 2872954), (146, 1436477), (511, 410422), (1022, 205211)]