77001990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197441}}^1$

素因数の和:197464

約数の個数: 32

約数和(自身を含む): 199021536

約数和(自身を除く): 122019546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 197441, 394882, 592323, 987205, 1184646, 1974410, 2566733, 2961615, 5133466, 5923230, 7700199, 12833665, 15400398, 25667330, 38500995, 77001990]

約数ペア:

[(1, 77001990), (2, 38500995), (3, 25667330), (5, 15400398), (6, 12833665), (10, 7700199), (13, 5923230), (15, 5133466), (26, 2961615), (30, 2566733), (39, 1974410), (65, 1184646), (78, 987205), (130, 592323), (195, 394882), (390, 197441)]