161683720784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{142327219}}^1$

素因数の和:142327298

約数の個数: 20

約数和(自身を含む): 317674355040

約数和(自身を除く): 155990634256

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 142327219, 284654438, 569308876, 1138617752, 2277235504, 10105232549, 20210465098, 40420930196, 80841860392, 161683720784]

約数ペア:

[(1, 161683720784), (2, 80841860392), (4, 40420930196), (8, 20210465098), (16, 10105232549), (71, 2277235504), (142, 1138617752), (284, 569308876), (568, 284654438), (1136, 142327219)]