201990513005

素因数分解:

$5^1\times {\mathrm{353}}^1\times {\mathrm{641}}^1\times {\mathrm{178537}}^1$

素因数の和:179536

約数の個数: 16

約数和(自身を含む): 243455845104

約数和(自身を除く): 41465332099

約数列:

[1, 5, 353, 641, 1765, 3205, 178537, 226273, 892685, 1131365, 63023561, 114442217, 315117805, 572211085, 40398102601, 201990513005]

約数ペア:

[(1, 201990513005), (5, 40398102601), (353, 572211085), (641, 315117805), (1765, 114442217), (3205, 63023561), (178537, 1131365), (226273, 892685)]