1861569490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{48491}}^1$

素因数の和:48858

約数の個数: 32

約数和(自身を含む): 3665995200

約数和(自身を除く): 1804425710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 698, 1745, 3490, 3839, 7678, 19195, 38390, 48491, 96982, 242455, 484910, 533401, 1066802, 2667005, 5334010, 16923359, 33846718, 84616795, 169233590, 186156949, 372313898, 930784745, 1861569490]

約数ペア:

[(1, 1861569490), (2, 930784745), (5, 372313898), (10, 186156949), (11, 169233590), (22, 84616795), (55, 33846718), (110, 16923359), (349, 5334010), (698, 2667005), (1745, 1066802), (3490, 533401), (3839, 484910), (7678, 242455), (19195, 96982), (38390, 48491)]