996864012

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{643969}}^1$

素因数の和:644022

約数の個数: 36

約数和(自身を含む): 2578455880

約数和(自身を除く): 1581591868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 643969, 1287938, 1931907, 2575876, 3863814, 5795721, 7727628, 11591442, 23182884, 27690667, 55381334, 83072001, 110762668, 166144002, 249216003, 332288004, 498432006, 996864012]

約数ペア:

[(1, 996864012), (2, 498432006), (3, 332288004), (4, 249216003), (6, 166144002), (9, 110762668), (12, 83072001), (18, 55381334), (36, 27690667), (43, 23182884), (86, 11591442), (129, 7727628), (172, 5795721), (258, 3863814), (387, 2575876), (516, 1931907), (774, 1287938), (1548, 643969)]