2561078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 16

約数和(自身を含む): 4173120

約数和(自身を除く): 1612042

約数列:

[1, 2, 13, 26, 137, 274, 719, 1438, 1781, 3562, 9347, 18694, 98503, 197006, 1280539, 2561078]

約数ペア:

[(1, 2561078), (2, 1280539), (13, 197006), (26, 98503), (137, 18694), (274, 9347), (719, 3562), (1438, 1781)]