490636497

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{28657}}^1$

素因数の和:29112

約数の個数: 16

約数和(自身を含む): 706133120

約数和(自身を除く): 215496623

約数列:

[1, 3, 13, 39, 439, 1317, 5707, 17121, 28657, 85971, 372541, 1117623, 12580423, 37741269, 163545499, 490636497]

約数ペア:

[(1, 490636497), (3, 163545499), (13, 37741269), (39, 12580423), (439, 1117623), (1317, 372541), (5707, 85971), (17121, 28657)]