1979788499

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{208333}}^1$

素因数の和:208406

約数の個数: 16

約数和(自身を含む): 2310007392

約数和(自身を除く): 330218893

約数列:

[1, 13, 17, 43, 221, 559, 731, 9503, 208333, 2708329, 3541661, 8958319, 46041593, 116458147, 152291423, 1979788499]

約数ペア:

[(1, 1979788499), (13, 152291423), (17, 116458147), (43, 46041593), (221, 8958319), (559, 3541661), (731, 2708329), (9503, 208333)]